RARCN170ReferenceCurrentVerified Aug 15, 2026RARC N170
AR Guide Workflow
Documentation Required
The payer requested medical records, orders, notes, certificates, or other documentation before it will process the claim.
AR Guide explanation
What it means
A new, revised, or renewed certificate of medical necessity is needed.
AR Guide knowledge
Common denial category
Documentation Required — The payer requested medical records, orders, notes, certificates, or other documentation before it will process the claim.
AR Guide knowledge
Common usage
- DME and supply claims
About this guidance: Note
AR Guide knowledge is general reference content written by our team — it is not payer-specific policy and never replaces the payer’s documentation or your contract. Always confirm specifics with the payer.