Procedure billed is not authorized per your Clinical Laboratory Improvement Amendment (CLIA) proficiency test.
Group code
CO, PI or PR
Category
Credentialing/Enrollment
Risk level
High
Appealable
Review Required
See the full resolution workflow for CARC B23
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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