N05.6
Unspecified nephritic syndrome with dense deposit disease
Billable FY2026 2025-10-01 → 2026-09-30
This is the unspecified option. 10 more
specific codes sit alongside it. Worth
checking whether the documentation supports one of them.
Exclusions 12 never code together
N05code
N00-N99chapter
Excludes2
- certain conditions originating in the perinatal period (P04-P96)P04-P96
- certain infectious and parasitic diseases (A00-B99)A00-B99
- complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)Q00-Q99
- endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
- injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
- neoplasms (C00-D49)C00-D49
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 7
N05code
Includes
- glomerular disease NOS
- glomerulonephritis NOS
- nephritis NOS
- nephropathy NOS and renal disease NOS with morphological lesion specified in .0-.8
N05.6code
Inclusion terms
- Unspecified nephritic syndrome with C3 glomerulopathy with dense deposit disease
- Unspecified nephritic syndrome with membranoproliferative glomerulonephritis, type 2
Index entries leading here 3
Alongside this code 10 same parent — N05
N05.0 Unsp nephritic syndrome with minor glomerular abnormality N05.1 Unsp neph syndrome w focal and segmental glomerular lesions N05.2 Unsp nephritic syndrome w diffuse membranous glomrlneph N05.3 Unsp neph syndrome w diffuse mesangial prolif glomrlneph N05.4 Unsp neph syndrome w diffuse endocaplry prolif glomrlneph N05.5 Unsp nephritic syndrome w diffuse mesangiocap glomrlneph N05.7 Unsp nephritic syndrome w diffuse crescentic glomrlneph N05.8 Unsp nephritic syndrome with other morphologic changes N05.9 Unsp nephritic syndrome with unspecified morphologic changes N05.A Unspecified nephritic syndrome with C3 glomerulonephritis
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.