14 U.S.C. § 2154: Compulsory retirement

Any regular commissioned officer, except a commissioned warrant officer, serving in a grade below rear admiral (lower half) shall be retired on the first day of the month following the month in which the officer becomes 62 years of age. Except as provided in paragraph (2), any regular commissioned officer serving in a grade of rear admiral (lower half) or above shall be retired on the first day of the month following the month in which the officer becomes 64 years of age. by the President, but such a deferment may not extend beyond the first day of the month following the month in which the officer becomes 68 years of age; or by the Secretary of the department in which the Coast Guard is operating, but such a deferment may not extend beyond the first day of the month following the month in which the officer becomes 66 years of age. Subject to paragraph (2), the Secretary may defer the retirement or separation under subsection (a) of a health professions officer if, during the period of the deferment, the health professions officer will be performing duties that consist primarily of providing patient care or performing other clinical duties. A deferment under this subsection may not extend beyond the first day of the month following the month in which the health professions officer concerned becomes 68 years of age. providing health care; performing other clinical care, including radiology, specialty care, behavioral health care, pharmacy care, medical laboratory, or testing; or performing health care-related administrative duties. Nothing in this subsection may be construed to prohibit or modify the application of any provision relating to mandatory separation or disciplinary action. a physician, surgeon, medical specialist, nurse or nurse practitioner, physician’s assistant, health service technician, therapist, fully licensed clinical psychotherapist, counselor, social worker, medical assistant, radiology assistant, pharmacist, pharmacy assistant, nutritionist, dietitian, any administrative personnel associated with a Coast Guard medical program (including a clinic), personnel who works in a medical laboratory, physical therapist, physical therapist aide, occupational therapist, or occupational therapist aide; a dentist, dental assistant, oral surgeon, or any other dental-related personnel; or a member of a category designated by the Secretary under paragraph (3).