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N02.B

N02.B: Recurrent and persistent immunoglobulin A nephropathy

Non-billable headerICD-10-CM

N02.B is a non-billable header ICD-10-CM code for recurrent and persistent immunoglobulin a nephropathy. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1 inherited from the categories above N02.B

A category’s note binds every code beneath it.

Written on N02: Recurrent and persistent hematuria

  • acute cystitis with hematuria (N30.01)
  • hematuria NOS (R31.9)
  • hematuria not associated with specified morphologic lesions (R31.-)

Other codes that can never be billed with N02.B

Their own Excludes1 notes name this code, so the conflict is not listed above.

Risk adjustment

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

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead N02.B

7 child codes. Green means billable.

Other codes under N02

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.