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High-priced medical care and high-cost nursing care combined medical expenses system

[People under 74 years old and have subscribed to Yokohama National Health Insurance]

Last Updated January 19, 2023

 The total amount of “National Health Insurance Out-of-pocket amount (* 1)” and “The Long-term Care Insurance User Burden (* 2)” in same household for one year (from August to July of the following year) is the co-payment limit If the amount exceeds the amount, the excess amount will be paid as "summary nursing care expenses" upon application.

 ※1 In the case of high medical costs, up to the amount of co-payment limit of high medical costs. In addition, those under 70 years old, a partial contribution of 21,000 yen or more per medical institution per month.
 ※2 In the case of high-cost nursing care service costs, it is applicable to the amount of the copayment limit of the large amount of nursing care service costs is applicable. It does not include food, accommodation expenses, housing renovation expenses, welfare equipment purchase expenses, etc.

  • Apply for medical insurance (national health insurance, medical care for the elderly, employee insurance, etc.) that you have taken out as of the reference date (July 31).
  • If all insured persons in the household have paid the sum of the “medical insurance” and “The Long-term Care Insurance” paid for one year (from August to the end of July every year) exceeds the standard amount, the excess amount Will be paid.
  • For those over 75 years old Toward the Medical System for Elderly Seniors
  • If you are an employee insurance such as a health insurance union, please apply to the employee health insurance.

In this way, the burden is reduced.

Examples of two-person households (both 72 years old, low-income II)

Example: If you pay 200,000 yen for medical insurance and 150,000 yen for The Long-term Care Insurance in one year (annual co-payment (*) 350,000 yen), apply for the standard amount: An amount (40,000 yen) exceeding 310,000 yen (if all households are exempt from municipal tax) will be paid.

※Out-of-pocket expenses exclude food expenses, living expenses, and differential bed charges. In addition, it is calculated by deducting high medical costs and expensive nursing care service costs.

For reference amount

(70 years old or older)

Out-of-pocket limit
Income classificationIncome requirementsNational Health Insurance + The Long-term Care Insurance co-payment limit (annual)
Income equal to active duty IIIThose who belong to a household with at least one person insured by the National Health Insurance (hereinafter referred to as the “elderly”) who has at least one person who has the same level of income (resident taxable income of 6.9 million yen or more).2.12 million yen
Income equal to active duty IIThose who belong to a household with at least one person insured by the National Health Insurance (hereinafter referred to as the "elderly") who has at least one person who has the same level of income (resident taxable income of 3.8 million yen or more)1.41 million yen
Income equal to active duty IThose who belong to a household with at least one person insured by the National Health Insurance (hereinafter referred to as the "elderly") who has at least one person who has the same level of income as active duty (resident taxable income of 1.45 million yen or more)670,000 yen
GeneralThose who do not fall under any of "low-income 1", "low income 2" or "income equal to active duty"560,000 yen
Low income IIHousehold tax-exempt households310,000 yen
Low income IHousehold tax-exempt households and do not have income for all household members (the public pension deduction is calculated as 800,000 yen) For medical treatment after August 2021, if the employment income is included, 100,000 yen will be deducted from the amount of employment income. )190,000 yen


(under 70 years old)

Out-of-pocket limit
Income classificationIncome requirementsNational Health Insurance + The Long-term Care Insurance co-payment limit (annual)
AIncome Amount
Over 9.01 million yen
2.12 million yen
IIncome Amount
More than 6 million yen and 9.10 million yen or less
1.41 million yen
CIncome Amount
More than 2.1 million yen and 6 million yen or less
670,000 yen
DahIncome Amount
2.1 million yen or less
600,000 yen
OHead of household and National Health Insurance members
All residents are exempt from residence tax
340,000 yen

※The income amount is the amount obtained by subtracting the basic deduction and the net loss carried forward from the total income amount.
In addition, the amount used for classification judgment is the total amount of income of all National Health Insurance members in the household.
For more information about basic deductions, please refer to the terms and conditions.
※Households with people who cannot confirm their income are classified as categories.

Notice of application recommendation

From August to July of the following year, households who continue to live in Yokohama City and are likely to be eligible for the high-priced medical care and high-cost nursing care combined medical expenses system Will send you a notification of application recommendation.
However, for the following households, recommendation notices may not be sent.

  • The period between August and the end of July of the following year
    • Those who have been transferred to Yokohama City from other municipalities
    • Those who have been transferred from other medical insurance to National Health Insurance

About application procedure

  • For those who have taken out Yokohama National Health Insurance, applications can be accepted at each ward office Insurance and Pension Division National Health Insurance Section.
  • If a household applying for employee insurance and need a "co-payment certificate", it will be issued at each ward office Insurance and Pension Division National Health Insurance Section. Please attach "co-payment certificate" and apply for employee insurance.

What you need at the time of application


Health insurance card, long-term care insurance card, passbook, etc. that shows the transfer account number, and if the insurer has changed within the calculation period, the co-payment certificate issued by the insurer who had previously joined
※private seal (the name of the householder who uses vermilion) is required to transfer to an account other than the head of household.
※You do not need a medical or nursing care receipt when applying.

Inquiries regarding procedures

Please contact your ward office, Insurance and Pension Division National Health Insurance Section.

List of contact information at each ward office, Insurance and Pension Division National Health Insurance Section
Inquiries by e-mailPhone number
Tsurumi Ward Insurance and Pension Division National Health Insurance Section045-510-1810
Kanagawa Ward Insurance and Pension Division National Health Insurance Section045-411-7126
Nishi Ward Insurance and Pension Division National Health Insurance Section045-320-8427、045-320-8428
Naka Ward Insurance and Pension Division National Health Insurance Section045-224-8317、045-224-8318
Minami Ward Insurance and Pension Division National Health Insurance Section045-341-1128
Konan Ward Insurance and Pension Division National Health Insurance Section045-847-8423
Hodogaya Ward Insurance and Pension Division National Health Insurance Section045-334-6338
Asahi Ward Insurance and Pension Division National Health Insurance Section045-954-6138
Isogo Ward Insurance and Pension Division National Health Insurance Section045-750-2428
Kanazawa Ward Insurance and Pension Division National Health Insurance Section045-788-7838、045-788-7839
Kohoku Ward Insurance and Pension Division National Health Insurance Section045-540-2351
Midori Ward Insurance and Pension Division National Health Insurance Section045-930-2344
Aoba Ward Insurance and Pension Division National Health Insurance Section045-978-2337
Tsuzuki Ward   Insurance and Pension Division National Health Insurance Section045-948-2336、045-948-2337
Totsuka Ward Insurance and Pension Division National Health Insurance Section045-866-8450
Sakae Ward Insurance and Pension Division National Health Insurance Section045-894-8426
Izumi Ward Insurance and Pension Division National Health Insurance Section045-800-2425、045-800-2426、045-800-2427
Seya Ward Insurance and Pension Division National Health Insurance Section045-367-5727、045-367-5728

For inquiries to this page

Health and Social Welfare Bureau Living and Welfare Department Insurance and Pension Division

Phone: 045-671-2424

Phone: 045-671-2424

Fax: 045-664-0403 (For inquiries regarding procedures, please contact the above ward office.)

Email address: kf-hokennenkin@city.yokohama.jp

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Page ID: 623-724-878

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