All ICD10 Codes

N00

Non-Billable
ChapterN00–N99
Rankcategory
Official Description

Acute nephritic syndrome

Use a more specific code (11 billable, 1 non-billable)
N00.0Acute nephritic syndrome with minor glomerular abnormalityN00.1Acute nephritic syndrome with focal and segmental glomerular lesionsN00.2Acute nephritic syndrome with diffuse membranous glomerulonephritisN00.3Acute nephritic syndrome with diffuse mesangial proliferative glomerulonephritisN00.4Acute nephritic syndrome with diffuse endocapillary proliferative glomerulonephritisN00.5Acute nephritic syndrome with diffuse mesangiocapillary glomerulonephritisN00.6Acute nephritic syndrome with dense deposit diseaseN00.7Acute nephritic syndrome with diffuse crescentic glomerulonephritisN00.8Acute nephritic syndrome with other morphologic changesN00.9Acute nephritic syndrome with unspecified morphologic changesN00.AAcute nephritic syndrome with C3 glomerulonephritisN00.BAcute nephritic syndrome with immune complex membranoproliferative glomerulonephritishas subcodes
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 14: Diseases of the Genitourinary System (N00-N99).

CH14 Parent 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)

N00-N08 Parent Instructions

Excludes1(Not coded here. Use a different code.)
  • hypertensive chronic kidney disease (I12.-)
Code Also
  • any associated kidney failure (N17-N19).

Instructional Notes

Includes
  • acute glomerular disease
  • acute glomerulonephritis
  • acute nephritis
Excludes1(Not coded here. Use a different code.)
  • acute tubulo-interstitial nephritis (N10)
  • nephritic syndrome NOS (N05.-)

Clinical Hierarchy

BillableHas subcodes
CH14Diseases of the genitourinary system (N00-N99)
N00-N08Glomerular diseases (N00-N08)
N00Acute nephritic syndromeNot billable
N00.0Acute nephritic syndrome with minor glomerular abnormalityBillable
N00.1Acute nephritic syndrome with focal and segmental glomerular lesionsBillable
N00.2Acute nephritic syndrome with diffuse membranous glomerulonephritisBillable
N00.3Acute nephritic syndrome with diffuse mesangial proliferative glomerulonephritisBillable
N00.4Acute nephritic syndrome with diffuse endocapillary proliferative glomerulonephritisBillable
N00.5Acute nephritic syndrome with diffuse mesangiocapillary glomerulonephritisBillable
N00.6Acute nephritic syndrome with dense deposit diseaseBillable
N00.7Acute nephritic syndrome with diffuse crescentic glomerulonephritisBillable
N00.8Acute nephritic syndrome with other morphologic changesBillable
N00.9Acute nephritic syndrome with unspecified morphologic changesBillable
N00.AAcute nephritic syndrome with C3 glomerulonephritisBillable
N00.BAcute nephritic syndrome with immune complex membranoproliferative glomerulonephritisSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to N00:

blockN00-N08
Glomerular diseases (N00-N08)
View context instructions
chapterCH14
Diseases of the genitourinary system (N00-N99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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