CO-54Contractual ObligationCoding
CO-54 Denial Code: Multiple physicians/assistants not covered
Multiple physicians/assistants are not covered in this case.
Why CO-54 happens
- ●Assistant surgeon billed for a procedure that doesn't allow one
- ●Co-surgeon billed without the required modifier (62/80/81/82/AS)
How to fix a CO-54 denial
- 1
Check the procedure's assistant-surgery indicator
- 2
Append the correct modifier with documentation, or write off if not allowed
How to prevent it
Verify assistant-at-surgery policies pre-op.
Drowning in CO-54 denials?
OakClaim works every denial within 48 hours and builds prevention rules so they stop recurring.