Medical Billing Blog: Tips and Industry Updates

Our medical billing blog shares practical tips, coding changes and industry updates to help your practice get paid faster.

Written by our billing and credentialing team. Browse articles on denial management, A/R management, medical coding and credentialing.

CO-50 denial code guide: provider responsible, not medically necessary, policy rules, appeal with records
Denial Management • Oct 2026

What the CO-50 Denial Code Means and How to Overturn It

The CO 50 denial code means the payer decided a service was not medically necessary under its coverage…

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CO-197 denial code guide: provider responsible, no valid authorization, match details, correct or appeal
Denial Management • Oct 2026

CO-197 Denials: Why Authorization Is Missing and What to Do

The CO 197 denial code means the payer found no valid precertification, authorization or notification for a service…

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Graphic contrasting credentialing, which checks qualifications, with payer enrollment, which approves a provider for payment
Uncategorized • Oct 2026

Payer Enrollment vs Credentialing: What Each One Does

Credentialing verifies that a provider is qualified to practice. Payer enrollment gets that provider approved by a specific…

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Common claim denial codes CO-16, CO-197, CO-50, CO-29 and CO-18 with short meanings
Coding • Oct 2026

Common Claim Denial Codes and How to Fix Them

A quick guide to five common denial codes and the fixes that help recover lost revenue.

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