noun
residual disability; permanent impairment; aftereffects
Medical and legal term for lasting physical or mental impairment resulting from an injury or illness, often used in contexts like traffic accidents or workers' compensation.
事故による後遺障害が認定された。
Residual disability from the accident was officially recognized.
後遺障害等級の申請には診断書が必要です。
A medical certificate is required to apply for a disability grade rating.