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N00 Acute nephritic syndrome

ICD-10-CM category N00 sits in Chapter 14 (Diseases of the genitourinary system, N00-N99). It contains 13 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.

Subcategories

N00.B Acute neph synd with immune complex membr prolif glomrlneph

Billable codes in N00

CodeDescription
N00.0Acute nephritic syndrome with minor glomerular abnormality
N00.1Acute nephritic syndrome with focal and segmental glomerular lesions
N00.2Acute nephritic syndrome with diffuse membranous glomerulonephritis
N00.3Acute nephritic syndrome with diffuse mesangial proliferative glomerulonephritis
N00.4Acute nephritic syndrome with diffuse endocapillary proliferative glomerulonephritis
N00.5Acute nephritic syndrome with diffuse mesangiocapillary glomerulonephritis
N00.6Acute nephritic syndrome with dense deposit disease
N00.7Acute nephritic syndrome with diffuse crescentic glomerulonephritis
N00.8Acute nephritic syndrome with other morphologic changes
N00.9Acute nephritic syndrome with unspecified morphologic changes
N00.AAcute nephritic syndrome with C3 glomerulonephritis
N00.B1Acute nephritic syndrome with idiopathic immune membranoproliferative glomerulonephritis (IC-MPGN)
N00.B2Acute nephritic syndrome with secondary immune complex membranoproliferative glomerulonephritis (IC-MPGN)

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