N00.B1 — Acute nephritic syndrome with idiopathic immune membranoproliferative glomerulonephritis (IC-MPGN)
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.
Risk adjustment
N00.B1 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
N00.B1 is named in 1 Medicare coverage policy — 1 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A54548Billing and Coding: Eculizumab, and Biosimilars: EPYSQLI®-eculizumab-aagh, and BKEMV™-eculizumab-aeeb
How N00.B1 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to N00.B1.
- Nephritis, nephritic›acute›with›idiopathic immune membranoproliferative glomerulonephritis(IC-MPGN)
Related codes at this level
Codes that share N00.B. If N00.B1 is not quite right, the correct code is usually one of these.
Questions about N00.B1
- Is N00.B1 a billable ICD-10-CM code?
- Yes. N00.B1 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does N00.B1 sit in the tabular list?
- Diseases of the genitourinary system (N00-N99), in the block Glomerular diseases (N00-N08).