
Form CA-16 is your agency's written OK for medical care after a traumatic work injury. It lets a doctor treat you right away, before OWCP decides your claim.
A CA-16 authorizes treatment for 60 days from the date of injury, unless OWCP ends it sooner. It must name the doctor or facility, and the official who signs it must date it and state their title.
CA-16 is for traumatic injuries, meaning something that happened during one work shift. For an occupational disease or illness that built up over time, the agency can only use a CA-16 if OWCP gives permission first.
Bring the CA-16 to your first visit. The doctor can use part of it for the first medical report to OWCP. Later reports often go on Form CA-20 or as a narrative letter.
Find offices that billed OWCP in the last 12 months near you.
Yes. You can still choose a doctor and file your claim. Without a CA-16, payment for early care depends on OWCP accepting your claim, so file the CA-1 promptly and ask your agency for the form in writing.
No. It authorizes early treatment while OWCP decides the claim. OWCP can end the authorization sooner than 60 days.
Last reviewed October 4, 2026. This guide explains the rules in plain English and is not legal advice.