Medical Billing Denial Code Lookup

Popular Denial Codes

Explore common medical billing denial codes with clear explanations, causes, and claim resolution guidance.

CO-45

Charge exceeds payer fee schedule or maximum allowance.

CO-97

Service included in another billed procedure.

CO-16

Missing or incomplete claim information.

Service or equipment is not covered under the patient’s current benefit plan.

PR-204

CO-22

This claim was adjusted because it may be covered by another insurance provider.

BCBS Prefix Lookup

Search Blue Cross Blue Shield insurance prefixes and payer information.

YLK

ZPT

XAA

QRM

NDF

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Denial Codes

Browse common denial codes with explanations, causes, and claim resolution guidance.

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BCBS Prefixes

Search Blue Cross Blue Shield prefixes and payer identification references.

Claim Help Guides

Explore medical billing topics, insurance terminology, and reimbursement insights.

Learn how to handle denied claims, resubmissions, and billing documentation issues.

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