All ICD10 Codes

N05

Non-Billable
ChapterN00–N99
Rankcategory
Official Description

Unspecified nephritic syndrome

Use a more specific code (11 billable)
N05.0Unspecified nephritic syndrome with minor glomerular abnormalityN05.1Unspecified nephritic syndrome with focal and segmental glomerular lesionsN05.2Unspecified nephritic syndrome with diffuse membranous glomerulonephritisN05.3Unspecified nephritic syndrome with diffuse mesangial proliferative glomerulonephritisN05.4Unspecified nephritic syndrome with diffuse endocapillary proliferative glomerulonephritisN05.5Unspecified nephritic syndrome with diffuse mesangiocapillary glomerulonephritisN05.6Unspecified nephritic syndrome with dense deposit diseaseN05.7Unspecified nephritic syndrome with diffuse crescentic glomerulonephritisN05.8Unspecified nephritic syndrome with other morphologic changesN05.9Unspecified nephritic syndrome with unspecified morphologic changesN05.AUnspecified nephritic syndrome with C3 glomerulonephritis
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
  • glomerular disease NOS
  • glomerulonephritis NOS
  • nephritis NOS
  • nephropathy NOS and renal disease NOS with morphological lesion specified in .0-.8
Excludes1(Not coded here. Use a different code.)
  • nephropathy NOS with no stated morphological lesion (N28.9)
  • renal disease NOS with no stated morphological lesion (N28.9)
  • tubulo-interstitial nephritis NOS (N12)

Clinical Hierarchy

BillableHas subcodes
CH14Diseases of the genitourinary system (N00-N99)
N00-N08Glomerular diseases (N00-N08)
N05Unspecified nephritic syndromeNot billable
N05.0Unspecified nephritic syndrome with minor glomerular abnormalityBillable
N05.1Unspecified nephritic syndrome with focal and segmental glomerular lesionsBillable
N05.2Unspecified nephritic syndrome with diffuse membranous glomerulonephritisBillable
N05.3Unspecified nephritic syndrome with diffuse mesangial proliferative glomerulonephritisBillable
N05.4Unspecified nephritic syndrome with diffuse endocapillary proliferative glomerulonephritisBillable
N05.5Unspecified nephritic syndrome with diffuse mesangiocapillary glomerulonephritisBillable
N05.6Unspecified nephritic syndrome with dense deposit diseaseBillable
N05.7Unspecified nephritic syndrome with diffuse crescentic glomerulonephritisBillable
N05.8Unspecified nephritic syndrome with other morphologic changesBillable
N05.9Unspecified nephritic syndrome with unspecified morphologic changesBillable
N05.AUnspecified nephritic syndrome with C3 glomerulonephritisBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to N05:

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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