# 高齢者の医療の確保に関する法律 / Act on Assurance of Medical Care for Elderly People — 第十七条 (Supplementary Provisions, Article 17) - Law: 高齢者の医療の確保に関する法律 (Act on Assurance of Medical Care for Elderly People), 昭和五十七年法律第八十号 - English title "Act on Assurance of Medical Care for Elderly People": Ministry of Justice translation - Kind: Act — the distinction between 法律 (Act), 政令 (Cabinet Order), 省令 (Ministerial Order) and 条例 (local ordinance) decides who may issue it and what it may say. - Provision: 第十七条 (Supplementary Provisions, Article 17) — address `suppl-4141-102/art-17` - Text in force since: 2026-10-01 - URL (the page that opens at this provision): https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17 - Every provision below carries its address and both URLs on the line under it. - Japanese text: e-Gov 法令検索, Digital Agency (デジタル庁). English: as marked on each line below. Only the Japanese as published by the government has legal effect; the text below is a copy of it. Every English rendering below is a translation and says which kind: the Ministry of Justice's translation, or this site's machine translation, whose model and date the Sources list names. They are never merged and never substituted for one another. --- ### 第十七条 suppl-4141-102/art-17 · https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17 **第一項** 平成十五年度の確定医療費拠出金の額は、新老健法第五十六条第一項の規定にかかわらず、次の各号に掲げる額の合計額とする。 suppl-4141-102/art-17/par-1 · https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-1 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-1 The amount of the fixed medical expense contribution for fiscal year 2003 is, notwithstanding Article 56, paragraph (1) of the New Elderly Health Act, to be the sum total of the amounts set forth in the following items. machine translation, not official **一** 次のイ又はロに掲げる保険者の区分に応じ、それぞれイ又はロに掲げる額 suppl-4141-102/art-17/par-1/item-1 · https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-1/item-1 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-1/item-1 The amount set forth in (a) or (b), in accordance with the category of Insurer set forth in (a) or (b), respectively; machine translation, not official **イ** 前期確定負担調整基準超過保険者（前期確定加入者調整率が一を超える保険者のうち、前期負担調整前確定医療費拠出金相当額から（１）に掲げる額を控除して得た額が（２）に掲げる額を超えるものをいう。以下この条において同じ。）　前期負担調整前確定医療費拠出金相当額から前期負担調整対象額（前期負担調整前確定医療費拠出金相当額から（１）に掲げる額と（２）に掲げる額との合計額を控除して得た額をいう。第四項において同じ。）を控除して得た額と、前期負担調整額との合計額 suppl-4141-102/art-17/par-1/item-1/sub-1 · https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-1/item-1/sub-1 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-1/item-1/sub-1 An insurer exceeding the fixed burden adjustment base amount for the earlier period (meaning, among Insurers for which the fixed participant adjustment rate for the earlier period exceeds one, an Insurer for which the amount obtained by deducting the amount set forth in (1) from the amount equivalent to the fixed medical expense contribution for the earlier period before burden adjustment exceeds the amount set forth in (2); the same applies hereinafter in this Article): the sum total of the amount obtained by deducting the amount subject to burden adjustment for the earlier period (meaning the amount obtained by deducting the sum total of the amount set forth in (1) and the amount set forth in (2) from the amount equivalent to the fixed medical expense contribution for the earlier period before burden adjustment; the same applies in paragraph (4)) from the amount equivalent to the fixed medical expense contribution for the earlier period before burden adjustment, and the burden adjustment amount for the earlier period; machine translation, not official **（１）** 次に掲げる額の合計額 suppl-4141-102/art-17/par-1/item-1/sub-1/sub2-1 · https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-1/item-1/sub-1/sub2-1 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-1/item-1/sub-1/sub2-1 The sum total of the following amounts; machine translation, not official **（ｉ）** 当該保険者に係る前期老人医療費額（市町村が平成十五年度において支弁した一の保険者に係る七十五歳以上の加入者等に対する平成十五年十月一日前に行われた医療等に要する費用の額をいう。以下この条において同じ。）に、一から前期特定費用確定率を控除して得た率を乗じて得た額の百分の六十六に相当する額 suppl-4141-102/art-17/par-1/item-1/sub-1/sub2-1/sub3-1 · https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-1/item-1/sub-1/sub2-1/sub3-1 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-1/item-1/sub-1/sub2-1/sub3-1 An amount equivalent to 66 percent of the amount obtained by multiplying the elderly medical expenses for the earlier period pertaining to the relevant Insurer (meaning the amount of expenses borne by municipalities in fiscal year 2003 and required for medical care, etc. provided before October 1, 2003 to participants aged 75 or over, etc. pertaining to one Insurer; the same applies hereinafter in this Article) by the rate obtained by deducting the fixed specified expense rate for the earlier period from one; machine translation, not official **（ｉｉ）** 当該保険者に係る前期老人医療費額に前期特定費用確定率を乗じて得た額 suppl-4141-102/art-17/par-1/item-1/sub-1/sub2-1/sub3-2 · https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-1/item-1/sub-1/sub2-1/sub3-2 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-1/item-1/sub-1/sub2-1/sub3-2 The amount obtained by multiplying the elderly medical expenses for the earlier period pertaining to the relevant Insurer by the fixed specified expense rate for the earlier period. machine translation, not official **（２）** 次に掲げる額の合計額に前条第六項の前期負担調整基準率を乗じて得た額 suppl-4141-102/art-17/par-1/item-1/sub-1/sub2-2 · https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-1/item-1/sub-1/sub2-2 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-1/item-1/sub-1/sub2-2 The amount obtained by multiplying the sum total of the following amounts by the burden adjustment base rate for the earlier period referred to in paragraph (6) of the preceding Article. machine translation, not official **（ｉ）** 前期負担調整前確定医療費拠出金相当額 suppl-4141-102/art-17/par-1/item-1/sub-1/sub2-2/sub3-1 · https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-1/item-1/sub-1/sub2-2/sub3-1 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-1/item-1/sub-1/sub2-2/sub3-1 The amount equivalent to the fixed medical expense contribution for the earlier period before burden adjustment; machine translation, not official **（ｉｉ）** 当該保険者の給付に要する費用の平成十五年度における額のうち平成十五年十月一日前に行われた医療関連給付に要する費用の額 suppl-4141-102/art-17/par-1/item-1/sub-1/sub2-2/sub3-2 · https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-1/item-1/sub-1/sub2-2/sub3-2 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-1/item-1/sub-1/sub2-2/sub3-2 Of the amount for fiscal year 2003 of the expenses required for benefits by the relevant insurer, the amount of the expenses required for medical-related benefits provided before October 1, 2003. machine translation, not official **ロ** 前期確定負担調整基準超過保険者以外の保険者　前期負担調整前確定医療費拠出金相当額と前期負担調整額との合計額 suppl-4141-102/art-17/par-1/item-1/sub-2 · https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-1/item-1/sub-2 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-1/item-1/sub-2 Insurers other than Insurers exceeding the fixed burden adjustment base amount for the earlier period: the sum total of the amount equivalent to the fixed medical expense contribution for the earlier period before burden adjustment and the burden adjustment amount for the earlier period. machine translation, not official **二** 次のイ又はロに掲げる保険者の区分に応じ、それぞれイ又はロに掲げる額 suppl-4141-102/art-17/par-1/item-2 · https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-1/item-2 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-1/item-2 The amount set forth in (a) or (b), in accordance with the category of Insurer set forth in (a) or (b), respectively. machine translation, not official **イ** 後期確定負担調整基準超過保険者（後期確定加入者調整率が一を超える保険者のうち、後期負担調整前確定医療費拠出金相当額から（１）に掲げる額を控除して得た額が（２）に掲げる額を超えるものをいう。以下この条において同じ。）　後期負担調整前確定医療費拠出金相当額から後期負担調整対象額（後期負担調整前確定医療費拠出金相当額から（１）に掲げる額と（２）に掲げる額との合計額を控除して得た額をいう。第八項において同じ。）を控除して得た額と、後期負担調整額との合計額 suppl-4141-102/art-17/par-1/item-2/sub-1 · https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-1/item-2/sub-1 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-1/item-2/sub-1 An insurer exceeding the fixed burden adjustment base amount for the later period (meaning, among Insurers for which the fixed participant adjustment rate for the later period exceeds one, an Insurer for which the amount obtained by deducting the amount set forth in (1) from the amount equivalent to the fixed medical expense contribution for the later period before burden adjustment exceeds the amount set forth in (2); the same applies hereinafter in this Article): the sum total of the amount obtained by deducting the amount subject to burden adjustment for the later period (meaning the amount obtained by deducting the sum total of the amount set forth in (1) and the amount set forth in (2) from the amount equivalent to the fixed medical expense contribution for the later period before burden adjustment; the same applies in paragraph (8)) from the amount equivalent to the fixed medical expense contribution for the later period before burden adjustment, and the burden adjustment amount for the later period; machine translation, not official **（１）** 次に掲げる額の合計額 suppl-4141-102/art-17/par-1/item-2/sub-1/sub2-1 · https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-1/item-2/sub-1/sub2-1 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-1/item-2/sub-1/sub2-1 The sum total of the following amounts; machine translation, not official **（ｉ）** 当該保険者に係る後期老人医療費額（市町村が平成十五年度において支弁した一の保険者に係る七十五歳以上の加入者等に対する平成十五年十月一日以後に行われた医療等に要する費用の額をいう。以下この条において同じ。）に、一から後期特定費用確定率を控除して得た率を乗じて得た額の百分の六十二に相当する額 suppl-4141-102/art-17/par-1/item-2/sub-1/sub2-1/sub3-1 · https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-1/item-2/sub-1/sub2-1/sub3-1 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-1/item-2/sub-1/sub2-1/sub3-1 An amount equivalent to 62 percent of the amount obtained by multiplying the elderly medical expenses for the later period pertaining to the relevant Insurer (meaning the amount of expenses borne by municipalities in fiscal year 2003 and required for medical care, etc. provided on or after October 1, 2003 to participants aged 75 or over, etc. pertaining to one Insurer; the same applies hereinafter in this Article) by the rate obtained by deducting the fixed specified expense rate for the later period from one; machine translation, not official **（ｉｉ）** 当該保険者に係る後期老人医療費額に後期特定費用確定率を乗じて得た額 suppl-4141-102/art-17/par-1/item-2/sub-1/sub2-1/sub3-2 · https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-1/item-2/sub-1/sub2-1/sub3-2 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-1/item-2/sub-1/sub2-1/sub3-2 The amount obtained by multiplying the elderly medical expenses for the later period pertaining to the relevant Insurer by the fixed specified expense rate for the later period. machine translation, not official **（２）** 次に掲げる額の合計額に前条第十一項の後期負担調整基準率を乗じて得た額 suppl-4141-102/art-17/par-1/item-2/sub-1/sub2-2 · https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-1/item-2/sub-1/sub2-2 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-1/item-2/sub-1/sub2-2 The amount obtained by multiplying the sum total of the following amounts by the burden adjustment base rate for the later period referred to in paragraph (11) of the preceding Article. machine translation, not official **（ｉ）** 後期負担調整前確定医療費拠出金相当額 suppl-4141-102/art-17/par-1/item-2/sub-1/sub2-2/sub3-1 · https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-1/item-2/sub-1/sub2-2/sub3-1 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-1/item-2/sub-1/sub2-2/sub3-1 The amount equivalent to the fixed medical expense contribution for the later period before burden adjustment; machine translation, not official **（ｉｉ）** 当該保険者の給付に要する費用の平成十五年度における額のうち平成十五年十月一日以後に行われた医療関連給付に要する費用の額 suppl-4141-102/art-17/par-1/item-2/sub-1/sub2-2/sub3-2 · https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-1/item-2/sub-1/sub2-2/sub3-2 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-1/item-2/sub-1/sub2-2/sub3-2 Of the amount for fiscal year 2003 of the expenses required for benefits by the relevant insurer, the amount of the expenses required for medical-related benefits provided on or after October 1, 2003. machine translation, not official **ロ** 後期確定負担調整基準超過保険者以外の保険者　後期負担調整前確定医療費拠出金相当額と後期負担調整額との合計額 suppl-4141-102/art-17/par-1/item-2/sub-2 · https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-1/item-2/sub-2 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-1/item-2/sub-2 Insurers other than Insurers exceeding the fixed burden adjustment base amount for the later period: the sum total of the amount equivalent to the fixed medical expense contribution for the later period before burden adjustment and the burden adjustment amount for the later period. machine translation, not official **第二項** 第一項第一号イの前期確定加入者調整率は、厚生労働省令で定めるところにより、平成十五年四月一日から同年九月三十日までの期間におけるすべての保険者に係る加入者の総数に対する七十五歳以上の加入者等の総数の割合を当該期間における当該保険者に係る加入者の数に対する七十五歳以上の加入者等の数の割合（その割合が当該期間における下限割合に満たないときは、下限割合とする。）で除して得た率を基礎として保険者ごとに算定される率とする。 suppl-4141-102/art-17/par-2 · https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-2 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-2 The fixed participant adjustment rate for the earlier period referred to in paragraph (1), item (i), (a) is to be a rate calculated for each Insurer, as specified by Order of the Ministry of Health, Labour and Welfare, on the basis of the rate obtained by dividing the ratio of the total number of participants aged 75 or over, etc. to the total number of participants for all Insurers during the period from April 1, 2003 through September 30 of the same year by the ratio of the number of participants aged 75 or over, etc. to the number of participants for the relevant Insurer during that period (if that ratio is less than the minimum rate for that period, the minimum rate). machine translation, not official **第三項** 第一項第一号イの前期負担調整前確定医療費拠出金相当額は、次の各号に掲げる額の合計額とする。 suppl-4141-102/art-17/par-3 · https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-3 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-3 The amount equivalent to the fixed medical expense contribution for the earlier period before burden adjustment referred to in paragraph (1), item (i), (a) is to be the sum total of the amounts set forth in the following items. machine translation, not official **一** 次に掲げる額の合計額（次号において「前期調整後老人医療費額」という。）に、一から前期特定費用確定率を控除して得た率を乗じて得た額の百分の六十六に相当する額 suppl-4141-102/art-17/par-3/item-1 · https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-3/item-1 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-3/item-1 An amount equivalent to 66 percent of the amount obtained by multiplying the sum total of the following amounts (referred to as "adjusted elderly medical expenses for the earlier period" in the following item) by the rate obtained by deducting the fixed specified expense rate for the earlier period from one; machine translation, not official **イ** 当該保険者に係る前期老人医療費額から前期調整対象外医療費額（当該保険者が確定前期基準超過保険者（一の保険者に係る七十五歳以上の加入者等一人当たりの前期老人医療費額として厚生労働省令で定めるところにより算定される額をすべての保険者に係る七十五歳以上の加入者等一人当たりの前期老人医療費額の平均額として厚生労働省令で定めるところにより算定される額（イにおいて「一人平均老人医療費額」という。）で除して得た率が、新老健法第五十六条第三項第一号イの政令で定める率を超える保険者をいう。）である場合における当該保険者に係る前期老人医療費額のうち、一人平均老人医療費額に当該政令で定める率を乗じて得た額を超える部分として厚生労働省令で定めるところにより算定される額をいう。ロにおいて同じ。）を控除して得た額に、前期確定加入者調整率を乗じて得た額 suppl-4141-102/art-17/par-3/item-1/sub-1 · https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-3/item-1/sub-1 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-3/item-1/sub-1 The amount obtained by multiplying the amount obtained by deducting the medical expenses excluded from adjustment for the earlier period (meaning, where the relevant Insurer is an insurer exceeding the fixed standard for the earlier period (meaning an Insurer for which the rate obtained by dividing the amount calculated as specified by Order of the Ministry of Health, Labour and Welfare as the elderly medical expenses for the earlier period per participant aged 75 or over, etc. pertaining to one Insurer by the amount calculated as specified by Order of the Ministry of Health, Labour and Welfare as the average amount of the elderly medical expenses for the earlier period per participant aged 75 or over, etc. pertaining to all Insurers (referred to as "per-person average of elderly medical expenses" in (a)) exceeds the rate specified by the Cabinet Order referred to in Article 56, paragraph (3), item (i), (a) of the New Elderly Health Act), the amount calculated as specified by Order of the Ministry of Health, Labour and Welfare as the portion of the elderly medical expenses for the earlier period pertaining to the relevant Insurer that exceeds the amount obtained by multiplying the per-person average of elderly medical expenses by the rate specified by that Cabinet Order; the same applies in (b)) from the elderly medical expenses for the earlier period pertaining to the relevant Insurer by the fixed participant adjustment rate for the earlier period; machine translation, not official **ロ** 前期調整対象外医療費額 suppl-4141-102/art-17/par-3/item-1/sub-2 · https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-3/item-1/sub-2 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-3/item-1/sub-2 The medical expenses excluded from adjustment for the earlier period; machine translation, not official **二** 前期調整後老人医療費額に前期特定費用確定率を乗じて得た額 suppl-4141-102/art-17/par-3/item-2 · https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-3/item-2 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-3/item-2 an amount obtained by multiplying the adjusted elderly medical expenses for the earlier period by the fixed specified expense rate for the earlier period. machine translation, not official **第四項** 第一項第一号イの前期負担調整額は、当該保険者に係る前期負担調整前確定医療費拠出金相当額（前期確定負担調整基準超過保険者にあっては、前期負担調整前確定医療費拠出金相当額から前期負担調整対象額を控除して得た額）に前期確定負担調整加算率（すべての前期確定負担調整基準超過保険者に係る前期負担調整対象額の総額を、すべての保険者に係る前期負担調整前確定医療費拠出金相当額の総額からすべての前期確定負担調整基準超過保険者に係る前期負担調整対象額の総額を控除して得た額で除して得た率を基礎として厚生労働大臣が定める率をいう。）を乗じて得た額とする。 suppl-4141-102/art-17/par-4 · https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-4 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-4 The burden adjustment amount for the earlier period in paragraph (1), item (i), (a) is the amount obtained by multiplying the amount equivalent to the fixed medical expense contribution for the earlier period before burden adjustment pertaining to the relevant Insurer (for an insurer exceeding the fixed burden adjustment base amount for the earlier period, the amount obtained by deducting the amount subject to burden adjustment for the earlier period from the amount equivalent to the fixed medical expense contribution for the earlier period before burden adjustment) by the fixed burden adjustment addition rate for the earlier period (meaning the rate determined by the Minister of Health, Labour and Welfare on the basis of the rate obtained by dividing the total amount subject to burden adjustment for the earlier period pertaining to all Insurers exceeding the fixed burden adjustment base amount for the earlier period by the amount obtained by deducting the total amount subject to burden adjustment for the earlier period pertaining to all Insurers exceeding the fixed burden adjustment base amount for the earlier period from the total amount equivalent to the fixed medical expense contribution for the earlier period before burden adjustment pertaining to all Insurers). machine translation, not official **第五項** 第一項第一号イ（１）（ｉ）の前期特定費用確定率は、各保険者に係る前期特定費用額（市町村が平成十五年度において支弁した一の保険者に係る新老健法第二十八条第一項第二号に掲げる場合に該当する者に対する平成十五年十月一日前に行われた医療等に要する費用の額をいう。）を、各保険者に係る前期老人医療費額で除して得た率とする。 suppl-4141-102/art-17/par-5 · https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-5 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-5 The fixed specified expense rate for the earlier period in paragraph (1), item (i), (a), (1), (i) is the rate obtained by dividing the specified expenses for the earlier period pertaining to each Insurer (meaning the amount of expenses, defrayed by Municipalities in fiscal year 2003, required for medical care, etc. provided before October 1, 2003 to persons pertaining to one Insurer who fall under the case set forth in Article 28, paragraph (1), item (ii) of the New Elderly Health Act) by the elderly medical expenses for the earlier period pertaining to each Insurer. machine translation, not official **第六項** 第一項第二号イの後期確定加入者調整率は、厚生労働省令で定めるところにより、平成十五年十月一日から平成十六年三月三十一日までの期間におけるすべての保険者に係る加入者の総数に対する七十五歳以上の加入者等の総数の割合を当該期間における当該保険者に係る加入者の数に対する七十五歳以上の加入者等の数の割合（その割合が当該期間における下限割合に満たないときは、下限割合とする。）で除して得た率を基礎として保険者ごとに算定される率とする。 suppl-4141-102/art-17/par-6 · https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-6 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-6 The fixed participant adjustment rate for the later period in paragraph (1), item (ii), (a) is the rate calculated for each Insurer, pursuant to the provisions of Order of the Ministry of Health, Labour and Welfare, on the basis of the rate obtained by dividing the ratio of the total number of participants aged 75 or over, etc. to the total number of participants pertaining to all Insurers in the period from October 1, 2003 to March 31, 2004 by the ratio of the number of participants aged 75 or over, etc. to the number of participants pertaining to the relevant Insurer in that period (where that ratio is less than the minimum rate in that period, the minimum rate). machine translation, not official **第七項** 第一項第二号イの後期負担調整前確定医療費拠出金相当額は、次の各号に掲げる額の合計額とする。 suppl-4141-102/art-17/par-7 · https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-7 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-7 The amount equivalent to the fixed medical expense contribution for the later period before burden adjustment in paragraph (1), item (ii), (a) is the sum total of the amounts set forth in the following items. machine translation, not official **一** 次に掲げる額の合計額（次号において「後期調整後老人医療費額」という。）に、一から後期特定費用確定率を控除して得た率を乗じて得た額の百分の六十二に相当する額 suppl-4141-102/art-17/par-7/item-1 · https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-7/item-1 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-7/item-1 an amount equivalent to 62 percent of the amount obtained by multiplying the sum total of the following amounts (referred to as the "adjusted elderly medical expenses for the later period" in the following item) by the rate obtained by deducting the fixed specified expense rate for the later period from 1: machine translation, not official **イ** 当該保険者に係る後期老人医療費額から後期調整対象外医療費額（当該保険者が確定後期基準超過保険者（一の保険者に係る七十五歳以上の加入者等一人当たりの後期老人医療費額として厚生労働省令で定めるところにより算定される額をすべての保険者に係る七十五歳以上の加入者等一人当たりの後期老人医療費額の平均額として厚生労働省令で定めるところにより算定される額（イにおいて「一人平均老人医療費額」という。）で除して得た率が、新老健法第五十六条第三項第一号イの政令で定める率を超える保険者をいう。）である場合における当該保険者に係る後期老人医療費額のうち、一人平均老人医療費額に当該政令で定める率を乗じて得た額を超える部分として厚生労働省令で定めるところにより算定される額をいう。ロにおいて同じ。）を控除して得た額に、後期確定加入者調整率を乗じて得た額 suppl-4141-102/art-17/par-7/item-1/sub-1 · https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-7/item-1/sub-1 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-7/item-1/sub-1 the amount obtained by multiplying the amount obtained by deducting the medical expenses excluded from adjustment for the later period (meaning, where the relevant Insurer is an insurer exceeding the fixed standard for the later period (meaning an Insurer for which the rate obtained by dividing the amount calculated as specified by Order of the Ministry of Health, Labour and Welfare as the elderly medical expenses for the later period per participant aged 75 or over, etc. pertaining to one Insurer by the amount calculated as specified by Order of the Ministry of Health, Labour and Welfare as the average amount of the elderly medical expenses for the later period per participant aged 75 or over, etc. pertaining to all Insurers (referred to as the "per-person average of elderly medical expenses" in (a)) exceeds the rate specified by Cabinet Order in Article 56, paragraph (3), item (i), (a) of the New Elderly Health Act), the amount calculated as specified by Order of the Ministry of Health, Labour and Welfare as the portion of the elderly medical expenses for the later period pertaining to the relevant Insurer that exceeds the amount obtained by multiplying the per-person average of elderly medical expenses by the rate specified by Cabinet Order; the same applies in (b)) from the elderly medical expenses for the later period pertaining to the relevant Insurer, by the fixed participant adjustment rate for the later period; machine translation, not official **ロ** 後期調整対象外医療費額 suppl-4141-102/art-17/par-7/item-1/sub-2 · https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-7/item-1/sub-2 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-7/item-1/sub-2 the medical expenses excluded from adjustment for the later period; machine translation, not official **二** 後期調整後老人医療費額に後期特定費用確定率を乗じて得た額 suppl-4141-102/art-17/par-7/item-2 · https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-7/item-2 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-7/item-2 an amount obtained by multiplying the adjusted elderly medical expenses for the later period by the fixed specified expense rate for the later period. machine translation, not official **第八項** 第一項第二号イの後期負担調整額は、当該保険者に係る後期負担調整前確定医療費拠出金相当額（後期確定負担調整基準超過保険者にあっては、後期負担調整前確定医療費拠出金相当額から後期負担調整対象額を控除して得た額）に後期確定負担調整加算率（すべての後期確定負担調整基準超過保険者に係る後期負担調整対象額の総額を、すべての保険者に係る後期負担調整前確定医療費拠出金相当額の総額からすべての後期確定負担調整基準超過保険者に係る後期負担調整対象額の総額を控除して得た額で除して得た率を基礎として厚生労働大臣が定める率をいう。）を乗じて得た額とする。 suppl-4141-102/art-17/par-8 · https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-8 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-8 The burden adjustment amount for the later period in paragraph (1), item (ii), (a) is the amount obtained by multiplying the amount equivalent to the fixed medical expense contribution for the later period before burden adjustment pertaining to the relevant Insurer (for an insurer exceeding the fixed burden adjustment base amount for the later period, the amount obtained by deducting the amount subject to burden adjustment for the later period from the amount equivalent to the fixed medical expense contribution for the later period before burden adjustment) by the fixed burden adjustment addition rate for the later period (meaning the rate determined by the Minister of Health, Labour and Welfare on the basis of the rate obtained by dividing the total amount subject to burden adjustment for the later period pertaining to all Insurers exceeding the fixed burden adjustment base amount for the later period by the amount obtained by deducting the total amount subject to burden adjustment for the later period pertaining to all Insurers exceeding the fixed burden adjustment base amount for the later period from the total amount equivalent to the fixed medical expense contribution for the later period before burden adjustment pertaining to all Insurers). machine translation, not official **第九項** 第一項第二号イ（１）（ｉ）の後期特定費用確定率は、各保険者に係る後期特定費用額（市町村が平成十五年度において支弁した一の保険者に係る新老健法第二十八条第一項第二号に掲げる場合に該当する者に対する平成十五年十月一日以後に行われた医療等に要する費用の額をいう。）を、各保険者に係る後期老人医療費額で除して得た率とする。 suppl-4141-102/art-17/par-9 · https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-9 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-9 The fixed specified expense rate for the later period in paragraph (1), item (ii), (a), (1), (i) is the rate obtained by dividing the specified expenses for the later period pertaining to each Insurer (meaning the amount of expenses, defrayed by Municipalities in fiscal year 2003, required for medical care, etc. provided on or after October 1, 2003 to persons pertaining to one Insurer who fall under the case set forth in Article 28, paragraph (1), item (ii) of the New Elderly Health Act) by the elderly medical expenses for the later period pertaining to each Insurer. machine translation, not official --- ## Cites - suppl-4141-102/art-17/par-1/item-1/sub-1: この条 → 高齢者の医療の確保に関する法律 附則第十七条 (Supplementary Provisions, Article 17), suppl-4141-102/art-17 — https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17 - suppl-4141-102/art-17/par-1/item-1/sub-1: 第四項 → 高齢者の医療の確保に関する法律 附則第十七条第四項 (Supplementary Provisions, Article 17, paragraph (4)), suppl-4141-102/art-17/par-4 — https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-4 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-4 - suppl-4141-102/art-17/par-1/item-1/sub-1/sub2-1/sub3-1: この条 → 高齢者の医療の確保に関する法律 附則第十七条 (Supplementary Provisions, Article 17), suppl-4141-102/art-17 — https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17 - suppl-4141-102/art-17/par-1/item-1/sub-1/sub2-2: 前条第六項 → 高齢者の医療の確保に関する法律 附則第十六条第六項 (Supplementary Provisions, Article 16, paragraph (6)), suppl-4141-102/art-16/par-6 — https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-16/par-6 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-16/par-6 - suppl-4141-102/art-17/par-1/item-2/sub-1: この条 → 高齢者の医療の確保に関する法律 附則第十七条 (Supplementary Provisions, Article 17), suppl-4141-102/art-17 — https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17 - suppl-4141-102/art-17/par-1/item-2/sub-1: 第八項 → 高齢者の医療の確保に関する法律 附則第十七条第八項 (Supplementary Provisions, Article 17, paragraph (8)), suppl-4141-102/art-17/par-8 — https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-8 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-8 - suppl-4141-102/art-17/par-1/item-2/sub-1/sub2-1/sub3-1: この条 → 高齢者の医療の確保に関する法律 附則第十七条 (Supplementary Provisions, Article 17), suppl-4141-102/art-17 — https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17 - suppl-4141-102/art-17/par-1/item-2/sub-1/sub2-2: 前条第十一項 → 高齢者の医療の確保に関する法律 附則第十六条第十一項 (Supplementary Provisions, Article 16, paragraph (11)), suppl-4141-102/art-16/par-11 — https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-16/par-11 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-16/par-11 - suppl-4141-102/art-17/par-2: 第一項第一号 → 高齢者の医療の確保に関する法律 附則第十七条第一項第一号 (Supplementary Provisions, Article 17, paragraph (1), item (i)), suppl-4141-102/art-17/par-1/item-1 — https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-1/item-1 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-1/item-1 - suppl-4141-102/art-17/par-3: 第一項第一号 → 高齢者の医療の確保に関する法律 附則第十七条第一項第一号 (Supplementary Provisions, Article 17, paragraph (1), item (i)), suppl-4141-102/art-17/par-1/item-1 — https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-1/item-1 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-1/item-1 - suppl-4141-102/art-17/par-3/item-1: 次号 → 高齢者の医療の確保に関する法律 附則第十七条第三項第二号 (Supplementary Provisions, Article 17, paragraph (3), item (ii)), suppl-4141-102/art-17/par-3/item-2 — https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-3/item-2 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-3/item-2 - suppl-4141-102/art-17/par-4: 第一項第一号 → 高齢者の医療の確保に関する法律 附則第十七条第一項第一号 (Supplementary Provisions, Article 17, paragraph (1), item (i)), suppl-4141-102/art-17/par-1/item-1 — https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-1/item-1 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-1/item-1 - suppl-4141-102/art-17/par-5: 第一項第一号 → 高齢者の医療の確保に関する法律 附則第十七条第一項第一号 (Supplementary Provisions, Article 17, paragraph (1), item (i)), suppl-4141-102/art-17/par-1/item-1 — https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-1/item-1 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-1/item-1 - suppl-4141-102/art-17/par-6: 第一項第二号 → 高齢者の医療の確保に関する法律 附則第十七条第一項第二号 (Supplementary Provisions, Article 17, paragraph (1), item (ii)), suppl-4141-102/art-17/par-1/item-2 — https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-1/item-2 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-1/item-2 - suppl-4141-102/art-17/par-7: 第一項第二号 → 高齢者の医療の確保に関する法律 附則第十七条第一項第二号 (Supplementary Provisions, Article 17, paragraph (1), item (ii)), suppl-4141-102/art-17/par-1/item-2 — https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-1/item-2 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-1/item-2 - suppl-4141-102/art-17/par-7/item-1: 次号 → 高齢者の医療の確保に関する法律 附則第十七条第七項第二号 (Supplementary Provisions, Article 17, paragraph (7), item (ii)), suppl-4141-102/art-17/par-7/item-2 — https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-7/item-2 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-7/item-2 - suppl-4141-102/art-17/par-8: 第一項第二号 → 高齢者の医療の確保に関する法律 附則第十七条第一項第二号 (Supplementary Provisions, Article 17, paragraph (1), item (ii)), suppl-4141-102/art-17/par-1/item-2 — https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-1/item-2 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-1/item-2 - suppl-4141-102/art-17/par-9: 第一項第二号 → 高齢者の医療の確保に関する法律 附則第十七条第一項第二号 (Supplementary Provisions, Article 17, paragraph (1), item (ii)), suppl-4141-102/art-17/par-1/item-2 — https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-1/item-2 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-1/item-2 ## Cited by 19 provisions cite this one. No official source publishes this direction. - 高齢者の医療の確保に関する法律 附則第十四条第一項第二号イ（１） — https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-14/par-1/item-2/sub-1/sub2-1 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-14/par-1/item-2/sub-1/sub2-1 - 高齢者の医療の確保に関する法律 附則第十四条第一項第二号イ（２）（ｉｉ） — https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-14/par-1/item-2/sub-1/sub2-2/sub3-2 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-14/par-1/item-2/sub-1/sub2-2/sub3-2 - 高齢者の医療の確保に関する法律 附則第十四条第四項 — https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-14/par-4 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-14/par-4 - 高齢者の医療の確保に関する法律 附則第十七条第一項第一号イ — https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-1/item-1/sub-1 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-1/item-1/sub-1 - 高齢者の医療の確保に関する法律 附則第十七条第一項第一号イ（１）（ｉ） — https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-1/item-1/sub-1/sub2-1/sub3-1 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-1/item-1/sub-1/sub2-1/sub3-1 - 高齢者の医療の確保に関する法律 附則第十七条第一項第二号イ — https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-1/item-2/sub-1 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-1/item-2/sub-1 - 高齢者の医療の確保に関する法律 附則第十七条第一項第二号イ（１）（ｉ） — https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-1/item-2/sub-1/sub2-1/sub3-1 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-1/item-2/sub-1/sub2-1/sub3-1 - 高齢者の医療の確保に関する法律 附則第十七条第二項 — https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-2 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-2 - 高齢者の医療の確保に関する法律 附則第十七条第三項 — https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-3 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-3 - 高齢者の医療の確保に関する法律 附則第十七条第三項第一号 — https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-3/item-1 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-3/item-1 - 高齢者の医療の確保に関する法律 附則第十七条第四項 — https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-4 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-4 - 高齢者の医療の確保に関する法律 附則第十七条第五項 — https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-5 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-5 - 高齢者の医療の確保に関する法律 附則第十七条第六項 — https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-6 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-6 - 高齢者の医療の確保に関する法律 附則第十七条第七項 — https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-7 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-7 - 高齢者の医療の確保に関する法律 附則第十七条第七項第一号 — https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-7/item-1 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-7/item-1 - 高齢者の医療の確保に関する法律 附則第十七条第八項 — https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-8 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-8 - 高齢者の医療の確保に関する法律 附則第十七条第九項 — https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-17/par-9 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-17/par-9 - 高齢者の医療の確保に関する法律 附則第十九条第一項 — https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-19/par-1 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-19/par-1 - 高齢者の医療の確保に関する法律 附則第三十六条第一項（政令への委任） — https://japanlaw.org/ja/elderly-medical-care-act/suppl-4141-102/art-36/par-1 · https://japanlaw.org/l/357AC0000000080/suppl-4141-102/art-36/par-1 --- ## Sources - e-Gov 法令検索, Digital Agency (デジタル庁) — 高齢者の医療の確保に関する法律 — the text in force from 2026-10-01 (https://laws.e-gov.go.jp/law/357AC0000000080/20261001_507AC0000000087), retrieved 2026-10-19 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Act on Assurance of Medical Care for Elderly People — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/4903/tb), retrieved 2026-10-19 - claude-sonnet-5-5 — Machine translation, batch elderly-medical-care-act-20261019T105826-020, translated 2026-10-19 - claude-sonnet-5-5, corrected on review by claude-opus-5-5 — Machine translation corrected on review, batch elderly-medical-care-act-20261019T105826-020, translated 2026-10-19 - claude-sonnet-5-5 — Machine translation, batch elderly-medical-care-act-20261019T112331-016, translated 2026-10-19 - claude-sonnet-5-5 — Machine translation, batch elderly-medical-care-act-20261019T120156-001, translated 2026-10-19 - This site's parser, version 209 — 高齢者の医療の確保に関する法律 — structure, counts, cross-references and defined terms, computed 2026-10-19