Alphabetic Index FY2027

N02.B

Recurrent and persistent immunoglobulin A nephropathy

FY2027Chapter 14: Diseases of the genitourinary system/N00–N08 Glomerular diseases

Non-billable headerNot valid on its own. Use one of the more specific codes under it.

N02.B is a non-billable ICD-10-CM code header for recurrent and persistent immunoglobulin A nephropathy. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are 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 and 3 more. Its coding notes include a Code also instruction, 4 Excludes1 entries and 8 Excludes2 entries.

Code also

Two codes may be needed to describe the condition. This note gives no sequencing order.

Also from chapter/block level (1 note)
Inherited from N00–N08 Glomerular diseases
  • any associated kidney failure (N17-N19).

Excludes1

Not coded here. The listed conditions generally should not be reported together.

Inherited from N02 Recurrent and persistent hematuria
  • acute cystitis with hematuria (N30.01)
  • hematuria NOS (R31.9)
  • hematuria not associated with specified morphologic lesions (R31.-)
Also from chapter/block level (1 note)
Inherited from N00–N08 Glomerular diseases
  • hypertensive chronic kidney disease (I12.-)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Also from chapter/block level (8 notes)
Inherited from Chapter 14 Diseases of the genitourinary system
  • 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)

Alphabetic Index terms

Terms the official Alphabetic Index lists for this code. 1 entry

More specific codes under N02.B 7