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N03.7

N03.7Chronic nephritic syndrome with diffuse crescentic glomerulonephritis

Billable / specific codeICD-10-CM

N03.7 is a billable, specific ICD-10-CM code for chronic nephritic syndrome with diffuse crescentic glomerulonephritis. It is valid for submission on a claim.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Chronic nephritic syndrome with extracapillary glomerulonephritis

Excludes1 inherited from the categories above N03.7

These are not written on N03.7, but they bind it: a note on a category applies to every code beneath it. Billing N03.7 with anything listed here is a denial.

Written on N03 Chronic nephritic syndrome

  • chronic tubulo-interstitial nephritis (N11.-)
  • diffuse sclerosing glomerulonephritis (N05.8-)
  • nephritic syndrome NOS (N05.-)

Risk adjustment

N03.7 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

N03.7 is named in 3 Medicare coverage policies 3 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A55336Billing and Coding: Retroperitoneal Ultrasound
  • A56380Billing and Coding: Rituximab
  • A57189Billing and Coding: Serum Magnesium

How N03.7 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 N03.7.

  • Nephritis, nephriticchronicwithdiffusecrescentic glomerulonephritis

Code history

N03.7 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share N03. If N03.7 is not quite right, the correct code is usually one of these.

Questions about N03.7

Is N03.7 a billable ICD-10-CM code?
Yes. N03.7 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does N03.7 sit in the tabular list?
Diseases of the genitourinary system (N00-N99), in the block Glomerular diseases (N00-N08).
What cannot be coded together with N03.7?
N03.7 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above N03.7 (N03) and apply to it just the same.
ICD-10-CMFY2026-Apr· effective April 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.