N386N-series (general use)Coverage & Eligibility
N386: Denied per National Coverage Determination
A CMS National Coverage Determination governs this service, and the claim didn't meet its criteria.
Commonly appears with these denial codes
The denial code gives the category; N386 pinpoints the specific problem. Read them together before touching the claim.
What to do about it
Review the NCD in the Medicare Coverage Database. Appeal only if documentation matches covered indications — NCDs bind all contractors, so recoding around them is not an option.
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