N05
Unspecified nephritic syndrome
N05 is a non-billable ICD-10-CM code category for unspecified nephritic syndrome. 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 N05.0 Unspecified nephritic syndrome with minor glomerular abnormality, N05.1 Unspecified nephritic syndrome with focal and segmental glomerular lesions, N05.2 Unspecified nephritic syndrome with diffuse membranous glomerulonephritis, N05.3 Unspecified nephritic syndrome with diffuse mesangial proliferative glomerulonephritis and 7 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.
Excludes1
Not coded here. The listed conditions generally should not be reported together.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (8 notes)
- 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)
Includes
Further defines or gives examples of the content of the category.
- glomerular disease NOS
- glomerulonephritis NOS
- nephritis NOS
- nephropathy NOS and renal disease NOS with morphological lesion specified in .0-.8
Alphabetic Index terms
Terms the official Alphabetic Index lists for this code. 2 entries
More specific codes under N05 11
- 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