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CARC Code Reference

CARC 15: The authorization number is missing, invalid, or does not apply to the billed services or provider.

Deactivated: CARC 15 was deactivated on May 1, 2018. Payers should no longer use this code. Active replacement codes: CARC 296, CARC 297.

The authorization number is missing, invalid, or does not apply to the billed services or provider.

Group code CO or PI
Category Authorization/Referral
Risk level Low
Appealable No - Correction Required

See the full resolution workflow for CARC 15

Members of the EDI-Code Intelligence Lab get the step-by-step rework path, appeal language, root-cause drivers, and prevention checklist for every CARC and RARC pairing, plus payer-specific quirks.

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