# 国民健康保険法 / National Health Insurance Act — 第五十七条の三 (Article 57-3)

- Law: 国民健康保険法 (National Health Insurance Act), 昭和三十三年法律第百九十二号
- English title "National Health Insurance Act": 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: 第五十七条の三 (Article 57-3)（高額介護合算療養費） — address `art-57-3`
- Text in force since: 2026-10-01
- URL (the page that opens at this provision): https://japanlaw.org/ja/national-health-insurance-act/art-57-3
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/333AC0000000192/art-57-3
- 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.

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### 第五十七条の三（高額介護合算療養費） — (High-Cost Benefits for Medical Treatment Combined with Long-Term Care)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>art-57-3 · https://japanlaw.org/ja/national-health-insurance-act/art-57-3 · https://japanlaw.org/l/333AC0000000192/art-57-3</sup>

  **第一項**  市町村及び組合は、一部負担金等の額（前条第一項の高額療養費が支給される場合にあつては、当該支給額に相当する額を控除して得た額）並びに介護保険法第五十一条第一項に規定する介護サービス利用者負担額（同項の高額介護サービス費が支給される場合にあつては、当該支給額を控除して得た額）及び同法第六十一条第一項に規定する介護予防サービス利用者負担額（同項の高額介護予防サービス費が支給される場合にあつては、当該支給額を控除して得た額）の合計額が著しく高額であるときは、世帯主又は組合員に対し、高額介護合算療養費を支給する。ただし、当該一部負担金等の額に係る療養の給付、保険外併用療養費の支給、療養費の支給、訪問看護療養費の支給若しくは特別療養費の支給又は第五十六条第二項の規定による差額の支給を受けなかつたときは、この限りでない。
  <sup>art-57-3/par-1 · https://japanlaw.org/ja/national-health-insurance-act/art-57-3/par-1 · https://japanlaw.org/l/333AC0000000192/art-57-3/par-1</sup>
  When the total sum of the amount of co-payment, etc. (or, where high-cost medical expenses set forth in paragraph (1) of the preceding Article are paid, the amount obtained by deducting the amount equivalent to the amount so paid), the amount to be borne by a user of Long-Term Care Service pursuant to the provisions of Article 51, paragraph (1) of the Long-Term Care Insurance Act (or, where expenses for High-Cost Long-Term Care Service set forth in the same paragraph are paid, the amount obtained by deducting the amount so paid) and the amount to be borne by a user of Preventive Long-Term Care Service pursuant to the provisions of Article 61, paragraph (1) of the same Act (or, where expenses for High-Cost Preventive Long-Term Care Service set forth in the same paragraph are paid, the amount obtained by deducting the amount so paid) is extremely large, Municipalities and Societies shall pay expenses for high-cost medical treatment combined with long-term care to the relevant Householder or Society member; provided, however, that this shall not apply if no benefit for medical treatment, medical expenses combined with treatment outside insurance coverage, medical expenses, medical expenses for home-nursing or special medical expenses were paid and no difference was paid pursuant to the provisions of Article 56, paragraph (2) with respect to the medical treatment relevant to such amount of co-payment, etc.
  <sup>machine translation, not official</sup>

  **第二項**  前条第二項の規定は、高額介護合算療養費の支給について準用する。
  <sup>art-57-3/par-2 · https://japanlaw.org/ja/national-health-insurance-act/art-57-3/par-2 · https://japanlaw.org/l/333AC0000000192/art-57-3/par-2</sup>
  The provisions of paragraph (2) of the preceding Article shall apply mutatis mutandis to the payment of medical expenses combined with high-cost long-term care.
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

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## Cites
- art-57-3/par-1: 前条第一項 → 国民健康保険法 第五十七条の二第一項 (Article 57-2, paragraph (1)), art-57-2/par-1 — https://japanlaw.org/ja/national-health-insurance-act/art-57-2/par-1 · https://japanlaw.org/l/333AC0000000192/art-57-2/par-1
- art-57-3/par-1: 介護保険法第五十一条第一項 → 介護保険法 第五十一条第一項 (Article 51, paragraph (1)), art-51/par-1 — https://japanlaw.org/ja/long-term-care-insurance-act/art-51/par-1 · https://japanlaw.org/l/409AC0000000123/art-51/par-1
- art-57-3/par-1: 同法第六十一条第一項 → 介護保険法 第六十一条第一項 (Article 61, paragraph (1)), art-61/par-1 — https://japanlaw.org/ja/long-term-care-insurance-act/art-61/par-1 · https://japanlaw.org/l/409AC0000000123/art-61/par-1
- art-57-3/par-1: 第五十六条第二項 → 国民健康保険法 第五十六条第二項 (Article 56, paragraph (2)), art-56/par-2 — https://japanlaw.org/ja/national-health-insurance-act/art-56/par-2 · https://japanlaw.org/l/333AC0000000192/art-56/par-2
- art-57-3/par-2: 前条第二項 → 国民健康保険法 第五十七条の二第二項 (Article 57-2, paragraph (2)), art-57-2/par-2 — https://japanlaw.org/ja/national-health-insurance-act/art-57-2/par-2 · https://japanlaw.org/l/333AC0000000192/art-57-2/par-2

## Cited by

2 provisions cite this one. No official source publishes this direction.

- 国民健康保険法 第五十七条の二第一項（高額療養費） — https://japanlaw.org/ja/national-health-insurance-act/art-57-2/par-1 · https://japanlaw.org/l/333AC0000000192/art-57-2/par-1
- 国民健康保険法 第六十六条の二第一項（市町村による保険給付に係る事務の範囲） — https://japanlaw.org/ja/national-health-insurance-act/art-66-2/par-1 · https://japanlaw.org/l/333AC0000000192/art-66-2/par-1

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## Sources

- e-Gov 法令検索, Digital Agency (デジタル庁) — 国民健康保険法 — the text in force from 2026-10-01 (https://laws.e-gov.go.jp/law/333AC0000000192/20261001_507AC0000000087), retrieved 2026-10-17
- Japanese Law Translation Database System, Ministry of Justice (法務省) — National Health Insurance Act — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/2453/tb), retrieved 2026-10-17
- claude-sonnet-5-5 — Machine translation, batch national-health-insurance-act-20261017T183826-003, translated 2026-10-18
- This site's parser, version 209 — 国民健康保険法 — structure, counts, cross-references and defined terms, computed 2026-10-17
