What does denial code CO-B15 mean?

Requires a qualifying service that was not received or covered. This service is only payable with a qualifying service that is missing or not covered.

How do I fix a CO-B15 denial?

Bill the primary service with the add-on. Resolve the primary service's denial first.

Pricing

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Claim adjustment reason code · Contractual obligation

CO-B15
Requires a qualifying service that was not received or covered

What CO-B15 means

This service is only payable with a qualifying service that is missing or not covered.

The CO group code means this amount is a contractual obligation: under most contracts you cannot bill it to the patient.

Common causes

Add-on code billed without its primary code
Primary service denied

How to fix it

Bill the primary service with the add-on
Resolve the primary service's denial first

Check the remark code (RARC) that came with the denial and the payer's own policy, since rules vary by payer and plan. This is a plain-English summary written by GetMax; the official code text is published by X12 at x12.org/codes.

Prevent it next time

Most denials are caused before the claim is sent. See 12 ways to reduce claim denials, or let our denial management team work them for you.

Other codes

All denial codes →

Let us work your denials.

We triage every denial by code and payer, fix or appeal it, and stop it repeating.

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CO-B15Requires a qualifying service that was not received or covered