CO-96
Billing/Follow-Up

Noncovered / Statutorily Excluded Service

The service billed simply is not a covered benefit under this patient's plan (or, for Medicare, is excluded by statute) — this is different from a medical-necessity denial, which concerns whether a covered bene…

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D08
PrimaryCO-96

In plain language

The service billed simply is not a covered benefit under this patient's plan (or, for Medicare, is excluded by statute) — this is different from a medical-necessity denial, which concerns whether a covered benefit applies in this specific clinical situation.

Start here

Confirm the CPT/HCPCS reported matches the service performed.

Who resolves it

Billing/Follow-Up

Who prevents it

Registration/Scheduling — benefit verification and patient notice workflow for known exclusion categories.

Common RARCsN425N130N356
Resolution path
Work these steps in order for D08 / CO-96

How to resolve this denial, step by step

  1. 1

    Confirm the CPT/HCPCS reported matches the service performed.

  2. 2

    Check the plan's benefit exclusions list or statutory exclusion basis (RARC N425).

  3. 3

    If the code was wrong, correct and resubmit (only if a different, accurate code applies).

  4. 4

    If genuinely excluded, confirm whether the patient was notified before the service (ABN/notice), which affects patient liability.

  5. 5

    Document the exclusion finding.

  6. 6

    Route to patient billing only when a proper pre-service notice was given or no notice is legally required for that exclusion category.

Then choose the correct disposition

Corrected claim

only if the code itself was inaccurate.

Formal appeal

generally low likelihood of success for a true statutory/benefit exclusion; document why before filing.

Patient responsibility

appropriate when the exclusion is a true benefit-design limitation and required notice was properly given.

Stop and escalate when

  • Pattern of a specific service being denied as excluded when the plan document suggests otherwise (potential payer processing error); compliance question about patient notice adequacy.

What Needs to Be corrected

  • Claim correction: Rarely a claim-data issue; verify the code billed actually matches the service performed.
  • Upstream correction: Registration/Scheduling should identify statutorily/benefit-excluded services before the appointment and issue the appropriate patient notice.

Do Not Do This

  • Do not change the CPT/HCPCS code to a covered code that does not match the service performed.
  • Do not bill the patient without confirming notice requirements were met where applicable.