MCMedicalCodingSoftware
N08

N08: Glomerular disorders in diseases classified elsewhere

Billable / specific codeICD-10-CM

N08 is a billable, specific ICD-10-CM code for glomerular disorders in diseases classified elsewhere. It is valid for submission on a claim.

Check N08 with the rest of the claim: free scrubber

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • glomerulonephritis, nephritis and nephropathy (in):
  • antiglomerular basement membrane disease (M31.0)
  • diabetes (E08-E13 with .21)
  • gonococcal (A54.21)
  • Goodpasture's syndrome (M31.0)
  • hemolytic-uremic syndrome (D59.3-)
  • lupus (M32.14)
  • mumps (B26.83)
  • syphilis (A52.75)
  • systemic lupus erythematosus (M32.14)
  • Wegener's granulomatosis (M31.31)
  • pyelonephritis in diseases classified elsewhere (N16)
  • renal tubulo-interstitial disorders classified elsewhere (N16)

Code first

The underlying condition must be sequenced before this code.

  • underlying disease, such as:
  • amyloidosis (E85.-)
  • congenital syphilis (A50.5)
  • cryoglobulinemia (D89.1)
  • disseminated intravascular coagulation (D65)
  • gout (M1A.-, M10.-)
  • microscopic polyangiitis (M31.7)
  • multiple myeloma (C90.0-)
  • sepsis (A40.0-A41.9)
  • sickle-cell disease (D57.0-D57.8)

Inclusion terms

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

  • Glomerulonephritis
  • Nephritis
  • Nephropathy

Risk adjustment

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

Medicare coverage

N08 is named in 4 Medicare coverage policies: 4 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A55336Billing and Coding: Retroperitoneal Ultrasound
  • A55639Billing and Coding: Chemotherapy Agents for Non-Oncologic Conditions
  • A56380Billing and Coding: Rituximab
  • A57189Billing and Coding: Serum Magnesium

Code history

Unchanged in every release from FY2024 to FY2027.

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.