Healthcare Error Code
Healthcare Insurance / Medical Billing
Remittance Advice Remark Codes (RARC)
N188 | Review needed
Industry
Insurance
Canonical
/insurance/healthcare/error-codes/n188/
Last Updated
Feb 25, 2026
Summary
This code indicates that the claim requires additional review before a decision can be made.
Learn More
Use these links to pivot between the directory, a focused guide, and nearby related codes.
ADVERTISEMENT
Advertisement
Ad slot: code-after-summary
What This Code Means
N188 is used when a claim is flagged for further review. This may involve medical, administrative, or policy-based evaluation. The code does not indicate approval or denial. It reflects an interim processing state. Final outcomes depend on review results.
Where Users Usually See This Code
- Remittance advice remarks
- Claim status updates
- Review notification summaries
Why This Code Appears
- Claim requires additional evaluation
- Policy or documentation review triggered
- Automated checks flagged the claim
ADVERTISEMENT
Advertisement
Ad slot: code-mid-content
What Typically Happens Next
- Claim enters review workflow
- Processing time increases
- Decision issued after review
What This Code Is Not
- It is not a denial
- It is not a billing error
- It is not patient responsibility
Troubleshooting Checklist
- □ Monitor claim status
- □ Review review timelines
- □ Track follow-up notices
Notes And Edge Cases
Review timelines vary by payer. Some reviews are automated, others manual.
ADVERTISEMENT
Advertisement
Ad slot: code-near-bottom
Related Codes
8 links