noun
designated intractable disease
A disease officially recognized under Japan's medical care system, qualifying patients for a specific subsidy for medical expenses. Used in legal, medical, and administrative contexts.
指定難病に認定されると、医療費の助成を受けられます。
If you are certified as having a designated intractable disease, you can receive a subsidy for medical expenses.
難病 is a general term for intractable or rare diseases, while 指定難病 specifically refers to those officially designated by the Japanese government for subsidy eligibility.
Compound of 指定 (designation) and 難病 (intractable disease). A modern administrative term.