designated psychiatrist; designated mental health physician
A psychiatrist officially designated under Japan's Mental Health and Welfare Act, authorized to perform involuntary hospitalization evaluations and other legal procedures.
A designated mental health physician is appointed under the Mental Health and Welfare Act.
A designated psychiatrist's examination is required for involuntary hospitalization decisions.
精神科医 is a general psychiatrist, while 精神保健指定医 is a specific legal designation with additional qualifications and legal authority.
Compound of 精神 (mental), 保健 (health), 指定 (designation), and 医 (physician). A modern legal term with no historical derivation beyond its component kanji.