OakClaim
CO-288Contractual ObligationAuthorization

CO-288 Denial Code: Referral absent

The referral required for this service is absent.

Why CO-288 happens

  • Specialist visit without the required PCP referral on file
  • Referral expired or visit count exhausted

How to fix a CO-288 denial

  1. 1

    Obtain the referral (retro if allowed) and resubmit

  2. 2

    Appeal with evidence a referral existed at DOS

How to prevent it

Verify referral on file before specialist appointments.

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