CO-258Contractual ObligationEligibility
CO-258 Denial Code: Not covered when patient in custody
Services to incarcerated patients aren't covered by this plan — the custodial authority is generally responsible.
Why CO-258 happens
- ●Patient was in custody on the DOS; federal/state rules shift responsibility
How to fix a CO-258 denial
- 1
Bill the responsible correctional authority/agency
- 2
If custody status is wrong in payer records, appeal with proof
How to prevent it
Capture custody status at registration — it changes the payer entirely.
Drowning in CO-258 denials?
OakClaim works every denial within 48 hours and builds prevention rules so they stop recurring.