Tag: prior authorization denial

co 50 denial code

Complete Guide to CO 50 Denial Code: Causes, Solutions & Prevention

In the complex world of medical billing and insurance reimbursements, denial codes play a critical role in identifying why a claim was not processed or paid by the payer. Among the most frequently encountered denial messages, CO 50 – Non-Covered Services is one that often disrupts cash flow, delays reimbursement, and increases rework for billing […]
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co 197 Denial Code

Complete Guide to Handling CO‑197 Denials in Medical Billing

What is CO‑197? In medical claims terminology, CO 197 (or “CO‑197”) is a denial adjustment code used by payers to indicate that a claim (or line item) was rejected because precertification, authorization, or required notification was not obtained prior to providing the service. The “CO” stands for Contractual Obligation — meaning this denial is tied […]
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