Denial code CO-197: Precertification / authorization / notification absent

The payer believes required authorization or notification steps were not completed properly. Learn what this denial code means, what commonly causes it, how to fix it, and when an appeal may help.

Explanation of the denial

The payer believes required authorization or notification steps were not completed properly.

Common reasons

Common reasons include missing authorization number, retro auth not requested, authorization scope mismatch.

Steps to fix

Typical next steps include check retro auth options, confirm provider authorization records, escalate only after admin review, then verifying payer policy and provider documentation before escalation.

When to appeal

Appeal once you confirm the denial appears tied to missing support, medical necessity documentation, coding corrections, or other potentially recoverable issues.

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What does denial code CO-197 mean?

The payer believes required authorization or notification steps were not completed properly.

Can denial code CO-197 be appealed?

Many denial codes can be appealed when the underlying issue is recoverable through better documentation, corrected coding, or stronger support.

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