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CO-5 — Procedure inconsistent with place of service

Claim-adjustment reason code 5 · typically reported as CO-5

What it means

The item/service can’t be billed for the place-of-service code on the claim.

Why DME claims hit it

How to fix it

Appeal posture

Appeal only with proof the POS was coded wrong; otherwise rebill the correct responsible party.

Related denial codes

Looking up an item instead? Browse the HCPCS code library for fee schedule amounts and PA flags.

Turn denials into recovered revenue

MyMedi-AI maps every remit code to its fix, tracks appeal deadlines, and drafts appeal letters with the right documentation checklist.

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