CO-97 — Bundled / Incidental Procedure (NCCI Cross-reference for Inclusive Procedures)
The payer is not paying separately for this service because it considers it a component of, or incidental to, another procedure already billed and paid on the same claim or encounter — the payment for the small…
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In plain language
The payer is not paying separately for this service because it considers it a component of, or incidental to, another procedure already billed and paid on the same claim or encounter — the payment for the smaller service is bundled into the payment for the larger one.
Start here
Check the current-quarter NCCI PTP edit table for the code pair and its modifier indicator (0 = never allowed, 1 = allowed with modifier if documented, 9 = edit does not apply).
Who resolves it
Coding, Denials/Follow-Up
Who prevents it
Coding/CDI — NCCI edit checks at code assignment; Charge Capture — order/charge review before billing.
How to resolve this denial, step by step
- 1
Check the current-quarter NCCI PTP edit table for the code pair and its modifier indicator (0 = never allowed, 1 = allowed with modifier if documented, 9 = edit does not apply).
- 2
Review the medical record for evidence of a separate, distinct service (different session, site, lesion, encounter).
- 3
If modifier indicator = 1 and documentation supports it, append the appropriate modifier and resubmit.
- 4
If modifier indicator = 0 or documentation is insufficient, accept the bundling and write off.
- 5
Document the NCCI review outcome.
- 6
Escalate to Coding/CDI if a pattern suggests provider documentation habits need improvement.
Then choose the correct disposition
Corrected claim (with modifier)
only when documentation supports a truly separate/distinct service and the modifier indicator permits it.
Write-off/contractual adjustment
appropriate when the edit is correctly applied and no modifier exception applies.
Formal appeal
rarely successful against a correctly applied NCCI edit; do not file without new supporting documentation.
Stop and escalate when
- Modifier indicator is 0 (never separately payable) but the provider insists the service was distinct — requires coding/compliance review, not a claim resubmission; documentation dispute.
What Needs to Be Corrected
- Claim correction: If the NCCI modifier indicator allows a modifier and documentation supports that the services were separate and distinct, add the appropriate modifier and resubmit.
- Upstream correction: If documentation does not support separate/distinct services, this is a coding/CDI education issue, not a claim resubmission fix — write off the bundled component.
Do Not Do This
- Do not add modifier 59 (or X{E,S,P,U}) without medical-record support of a separate and distinct service.
- Do not resubmit the same combination repeatedly hoping for a different outcome.
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