InnovaRx Innova Health Strategies
Pricing Sign in

N05.5

Unspecified nephritic syndrome with diffuse mesangiocapillary glomerulonephritis

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 14 never code together
N05.5code
Excludes1
  • Unspecified nephritic syndrome with C3 glomerulonephritis (N05.A)N05.AN05.A
  • Unspecified nephritic syndrome with C3 glomerulopathy (N05.A)N05.AN05.A
N05code
Excludes1
  • nephropathy NOS with no stated morphological lesion (N28.9)N28.9
  • renal disease NOS with no stated morphological lesion (N28.9)N28.9
  • tubulo-interstitial nephritis NOS (N12)N12
N00-N08block
Excludes1
  • hypertensive chronic kidney disease (I12.-)I12.-
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 6
N05code
Includes
  • glomerular disease NOS
  • glomerulonephritis NOS
  • nephritis NOS
  • nephropathy NOS and renal disease NOS with morphological lesion specified in .0-.8
N05.5code
Inclusion terms
  • Unspecified nephritic syndrome with membranoproliferative glomerulonephritis, types 1 and 3, or NOS
N00-N08block
Code also
  • any associated kidney failure (N17-N19).N17-N19
Index entries leading here 2
  • Glomerulonephritis N05.9
    • diffuse
      • mesangiocapillary N05.5
    • membranoproliferative (diffuse)(type 1 or 3) N05.5
    • mesangiocapillary (diffuse) NEC N05.5
  • Nephritis, nephritic (albuminuric) (azotemic) (congenital) (disseminated) (epithelial) (familial) (focal) (granulomatous) (hemorrhagic) (infantile) (nonsuppurative, excretory) (uremic) N05.9
    • with
      • diffuse
        • mesangiocapillary glomerulonephritis N05.5
    • membranoproliferative (diffuse) (type 1 or 3) N05.5
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 N05.6 Unspecified nephritic syndrome with dense deposit disease 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.

Risk adjustment

ESRD21HCC141

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable
yes
Code set
FY2026
Parent
N05
Block
N00-N08
Siblings
10

Present FY2024–FY2027.