Healthcare Error Code
Healthcare Insurance / Medical Billing
Remittance Advice Remark Codes (RARC)
N164 | Missing data
Industry
Healthcare
Canonical
/insurance/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
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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.
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Related Codes
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