OakClaim
CO-20Contractual ObligationCoordination of Benefits

CO-20 Denial Code: Injury covered by liability carrier

This injury/illness is covered by the liability carrier.

Why CO-20 happens

  • Auto accident or third-party liability case billed to the health plan

How to fix a CO-20 denial

  1. 1

    Identify the liability carrier and claim number from the patient

  2. 2

    Bill the liability carrier; bill health plan secondary where allowed

How to prevent it

Screen for accident-related visits at registration.

Drowning in CO-20 denials?

OakClaim works every denial within 48 hours and builds prevention rules so they stop recurring.

Get a Free Audit

Related coordination of benefits denials