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N00.B1

N00.B1: Acute nephritic syndrome with idiopathic immune membranoproliferative glomerulonephritis (IC-MPGN)

Billable / specific codeICD-10-CM

N00.B1 is a billable, specific ICD-10-CM code for acute nephritic syndrome with idiopathic immune membranoproliferative glomerulonephritis (ic-mpgn). It is valid for submission on a claim.

Check N00.B1 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above N00.B1

A category’s note binds every code beneath it.

Written on N00: Acute nephritic syndrome

  • acute tubulo-interstitial nephritis (N10)
  • nephritic syndrome NOS (N05.-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

N00.B1 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A54548Billing and Coding: Eculizumab, and Biosimilars: EPYSQLI®-eculizumab-aagh, and BKEMV™-eculizumab-aeeb

Alphabetic index entries that lead here

  • Nephritis, nephritic›acute›with›idiopathic immune membranoproliferative glomerulonephritis(IC-MPGN)

Code history

  • addedFY2024-FY2027

    Acute nephritic syndrome with idiopathic immune membranoproliferative glomerulonephritis (IC-MPGN)

Other codes under N00.B

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.