Coding and coverage · ICD-10-CM

N02

N02.B Recurrent and persistent immunoglobulin A nephropathy

Not billable (header)Chapter 14

Report one of the more specific codes below.

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Codes under this one

  • N02.B1 Recurrent and persistent immunoglobulin A nephropathy with glomerular lesion
  • N02.B2 Recurrent and persistent immunoglobulin A nephropathy with focal and segmental glomerular lesion
  • N02.B3 Recurrent and persistent immunoglobulin A nephropathy with diffuse membranoproliferative glomerulonephritis
  • N02.B4 Recurrent and persistent immunoglobulin A nephropathy with diffuse membranous glomerulonephritis
  • N02.B5 Recurrent and persistent immunoglobulin A nephropathy with diffuse mesangial proliferative glomerulonephritis
  • N02.B6 Recurrent and persistent immunoglobulin A nephropathy with diffuse mesangiocapillary glomerulonephritis
  • N02.B9 Other recurrent and persistent immunoglobulin A nephropathy

Instructional notes

Chapter 14

Excludes2Not included here: the patient may have both; report both when both are present.
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Section N00-N08

Excludes1Not coded here: never report with this code, except when the two conditions are unrelated.
  • hypertensive chronic kidney disease (I12.-)
Code also
  • any associated kidney failure (N17-N19).

N02

Excludes1Not coded here: never report with this code, except when the two conditions are unrelated.
  • acute cystitis with hematuria (N30.01)
  • hematuria NOS (R31.9)
  • hematuria not associated with specified morphologic lesions (R31.-)

Chapter 14: Diseases of the genitourinary system · N00-N08 Glomerular diseases (N00-N08)

Source: ICD-10-CM FY 2027 code descriptions and tabular list (CMS and CDC National Center for Health Statistics), effective 2026-10-01 through 2027-09-30 · CMS ICD-10 files. HCC mapping: CMS-HCC V28, payment year 2027. As of 2026-11-04.

Coverage and payment depend on the claim details; confirm with the Medicare Administrative Contractor.