N286
Missing/incomplete/invalid referring provider primary identifier
What This Code Means
The referring provider’s NPI or other identifier is missing, incomplete, or invalid on the claim.
Common Causes
- Referring provider NPI field left blank
- Wrong NPI entered for the referring provider
How to Resolve or Appeal
- Confirm the correct referring provider NPI
- Correct and resubmit as a corrected claim
Educational reference only — not medical or legal advice. Always confirm code usage and appeal rights with the specific payer.