OakClaim
CO-107Contractual ObligationDocumentation

CO-107 Denial Code: Related/qualifying claim not identified on this claim

The related or qualifying claim/service was not identified on this claim.

Why CO-107 happens

  • Add-on or follow-up service billed without reference to the primary claim
  • Missing original claim number on a corrected/related submission

How to fix a CO-107 denial

  1. 1

    Identify the qualifying service and link it on the claim

  2. 2

    Resubmit with the correct claim reference

How to prevent it

Bill related services together or reference the original claim number.

Drowning in CO-107 denials?

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

Get a Free Audit

Related documentation denials