M222 | Authorization issue

Industry

Insurance

Canonical

/insurance/healthcare/error-codes/m222/

Last Updated

Feb 25, 2026

Summary

This code indicates that an authorization-related issue affected claim processing.

Learn More

Use these links to pivot between the directory, a focused guide, and nearby related codes.

Hub

Guides

The Complete Insurance Claim Denial Codes Directory (2026 Edition)

Related Codes

What This Code Means

M222 is used when CMS identifies a problem related to authorization requirements. This may involve missing, invalid, or unmatched authorization records. The code reflects benefit management rules rather than service quality. Coverage eligibility depends on meeting authorization criteria.

Where Users Usually See This Code

Medicare remittance advice
Authorization review notices
EOB explanations

Why This Code Appears

Authorization not obtained
Authorization details missing or incorrect
Authorization expired

What Typically Happens Next

Payment is denied or delayed
Claim processing completes or pauses
Appeal pathways may exist

What This Code Is Not

It is not a billing format error
It is not patient responsibility
It is not a contractual adjustment

Troubleshooting Checklist

□ Review authorization requirements
□ Confirm authorization records
□ Monitor CMS policies

Notes And Edge Cases

Authorization rules vary by program and service. Emergency services may follow different authorization policies.

Related Codes

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