All ICD10 Codes
Chapter 14

N00–N99: Diseases of the Genitourinary System

Diseases of the Genitourinary System diagnostic classification updated for 2026.

Chapter Instructions

Excludes2(Not included here. Code separately if applicable.)
  • 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)
All CodesBillable Only
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Internal Codes
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  • N00|

    Acute nephritic syndrome

  • N00.0|

    Acute nephritic syndrome with minor glomerular abnormality

  • N00.1|

    Acute nephritic syndrome with focal and segmental glomerular lesions

  • N00.2|

    Acute nephritic syndrome with diffuse membranous glomerulonephritis

  • N00.3|

    Acute nephritic syndrome with diffuse mesangial proliferative glomerulonephritis

  • N00.4|

    Acute nephritic syndrome with diffuse endocapillary proliferative glomerulonephritis

  • N00.5|

    Acute nephritic syndrome with diffuse mesangiocapillary glomerulonephritis

  • N00.6|

    Acute nephritic syndrome with dense deposit disease

  • N00.7|

    Acute nephritic syndrome with diffuse crescentic glomerulonephritis

  • N00.8|

    Acute nephritic syndrome with other morphologic changes

  • N00.9|

    Acute nephritic syndrome with unspecified morphologic changes

  • N00.A|

    Acute nephritic syndrome with C3 glomerulonephritis

  • N00.B|

    Acute nephritic syndrome with immune complex membranoproliferative glomerulonephritis

  • N00.B1|

    Acute nephritic syndrome with idiopathic immune membranoproliferative glomerulonephritis (IC-MPGN)

  • N00.B2|

    Acute nephritic syndrome with secondary immune complex membranoproliferative glomerulonephritis (IC-MPGN)

  • N01|

    Rapidly progressive nephritic syndrome

  • N01.0|

    Rapidly progressive nephritic syndrome with minor glomerular abnormality

  • N01.1|

    Rapidly progressive nephritic syndrome with focal and segmental glomerular lesions

  • N01.2|

    Rapidly progressive nephritic syndrome with diffuse membranous glomerulonephritis

  • N01.3|

    Rapidly progressive nephritic syndrome with diffuse mesangial proliferative glomerulonephritis

  • N01.4|

    Rapidly progressive nephritic syndrome with diffuse endocapillary proliferative glomerulonephritis

  • N01.5|

    Rapidly progressive nephritic syndrome with diffuse mesangiocapillary glomerulonephritis

  • N01.6|

    Rapidly progressive nephritic syndrome with dense deposit disease

  • N01.7|

    Rapidly progressive nephritic syndrome with diffuse crescentic glomerulonephritis

  • N01.8|

    Rapidly progressive nephritic syndrome with other morphologic changes

  • N01.9|

    Rapidly progressive nephritic syndrome with unspecified morphologic changes

  • N01.A|

    Rapidly progressive nephritic syndrome with C3 glomerulonephritis

  • N02|

    Recurrent and persistent hematuria

  • N02.0|

    Recurrent and persistent hematuria with minor glomerular abnormality

  • N02.1|

    Recurrent and persistent hematuria with focal and segmental glomerular lesions

  • N02.2|

    Recurrent and persistent hematuria with diffuse membranous glomerulonephritis

  • N02.3|

    Recurrent and persistent hematuria with diffuse mesangial proliferative glomerulonephritis

  • N02.4|

    Recurrent and persistent hematuria with diffuse endocapillary proliferative glomerulonephritis

  • N02.5|

    Recurrent and persistent hematuria with diffuse mesangiocapillary glomerulonephritis

  • N02.6|

    Recurrent and persistent hematuria with dense deposit disease

  • N02.7|

    Recurrent and persistent hematuria with diffuse crescentic glomerulonephritis

  • N02.8|

    Recurrent and persistent hematuria with other morphologic changes

  • N02.9|

    Recurrent and persistent hematuria with unspecified morphologic changes

  • N02.A|

    Recurrent and persistent hematuria with C3 glomerulonephritis

  • N02.B|

    Recurrent and persistent immunoglobulin A nephropathy

  • 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

  • N03|

    Chronic nephritic syndrome

  • N03.0|

    Chronic nephritic syndrome with minor glomerular abnormality

  • N03.1|

    Chronic nephritic syndrome with focal and segmental glomerular lesions

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