Remark Code N386 on Your EOB — Meaning & What to Do

Remittance Advice Remark Code (RARC)

What remark code N386 means: The decision was based on a national coverage policy (NCD).
What to do about remark code N386: Ask whether an appeal fits the national coverage policy.

Remark codes add detail to a claim decision. They appear alongside the main adjustment codes on your Explanation of Benefits or remittance notice, giving the specific reason behind remark code N386.

Related codes

Keep reviewing your bill

Frequently asked questions about Remark code N386

What does remark code N386 mean on my EOB?

The decision was based on a national coverage policy (NCD).

What should I do about remark code N386?

Ask whether an appeal fits the national coverage policy.

Found this code on your bill or EOB?
Upload the document — MD Bill Check decodes every code, checks the math line by line, and explains what's worth questioning.

Check my bill free

Last reviewed 2026-07-07 · MDBillCheck Editorial Team. Plain-English explanations are original wording; always verify the specific reason with your insurer.