When the amount of co-payment paid for benefits for medical treatment, or the amount obtained by deducting, from the amount of expenses incurred in medical treatment (excluding Dietary Treatment and Living Support; hereinafter the same shall apply in the following paragraph), the amount paid as medical expenses combined with treatment outside insurance coverage, medical expenses, medical expenses for home-nursing or special medical expenses with respect to expenses incurred in the relevant medical treatment or the amount equivalent to the difference paid pursuant to the provisions of Article 56, paragraph (2) (in paragraph (1) of the following Article referred to as the "amount of co-payment, etc."), is extremely large, Municipalities and Societies shall pay high-cost medical expenses 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 relevant medical treatment.
市町村及び組合は、療養の給付について支払われた一部負担金の額又は療養（食事療養及び生活療養を除く。次項において同じ。）に要した費用の額からその療養に要した費用につき保険外併用療養費、療養費、訪問看護療養費若しくは特別療養費として支給される額若しくは第五十六条第二項の規定により支給される差額に相当する額を控除した額（次条第一項において「一部負担金等の額」という。）が著しく高額であるときは、世帯主又は組合員に対し、高額療養費を支給する。ただし、当該療養について療養の給付、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。
The requirements for payment and the amount of high-cost medical expenses and other necessary matters concerning the payment of high-cost medical expenses shall be prescribed by Cabinet Order by taking into consideration the impact of the burden of the expenses incurred in the relevant medical treatment on household finances, in particular the household finances of persons who continuously receive medical treatment over a long period, and the amount of expenses incurred in the medical treatment.
高額療養費の支給要件、支給額その他高額療養費の支給に関して必要な事項は、療養に必要な費用の負担の家計、とりわけ長期にわたつて継続的に療養を受ける者の家計に与える影響及び療養に要した費用の額を考慮して、政令で定める。
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