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-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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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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