N164 | Missing data

Industry

Healthcare

Canonical

/healthcare/error-codes/n164/

Last Updated

Feb 25, 2026

Summary

This code indicates that required data elements were missing from the claim.

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What This Code Means

N164 is used when essential claim data is absent. Without complete data, the payer cannot finalize adjudication. This is an administrative completeness issue rather than a coverage determination. The service may still be eligible once data requirements are met.

Where Users Usually See This Code

Remittance advice remarks
Claim rejection notices
Claim status reports

Why This Code Appears

Required fields left blank
Data not transmitted correctly
Submission errors occurred

What Typically Happens Next

Claim processing is delayed or denied
Reprocessing may be required
Payment is not issued

What This Code Is Not

It is not a coverage exclusion
It is not a duplicate claim
It is not a contractual adjustment

Troubleshooting Checklist

□ Review required data fields
□ Confirm submission accuracy
□ Monitor claim status

Notes And Edge Cases

Electronic submission systems may truncate data. Payer validation rules differ.

Related Codes

8 links

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