DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

N26 Unspecified contracted kidney

  • Header · not billable

N26 is not billable. The category heads 3 billable codes in FY2027: the 3 codes directly below it.

Index → code

  • Fibrosis, fibrotickidney → N26.9
  • Sclerosis, scleroticrenal → N26.9
  • Atrophy, atrophic (of)renal → N26.1

Where it sits

  1. Chapter 14 Diseases of the genitourinary system (N00-N99)
  2. N25-N29 Other disorders of kidney and ureter (N25-N29)
  3. N26 Unspecified contracted kidney
Billable codes
3
Subdivisions
3
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
8

Codes in N26

  1. N26.1
    Atrophy of kidney (terminal)
    Billable
  2. N26.2
    Page kidney
    Billable
  3. N26.9
    Renal sclerosis, unspecified
    Billable

Sources of each column.

Instructions

At N26

Excludes1

  • contracted kidney due to hypertension (I12.-) I12
  • diffuse sclerosing glomerulonephritis (N05.8.-) N05.8
  • hypertensive nephrosclerosis (arteriolar) (arteriosclerotic) (I12.-) I12
  • small kidney of unknown cause (N27.-) N27

Notes that also apply

Block N25-N29 instructions (Excludes2 1): printed on the block page.

Chapter 14 instructions (Excludes2 8): printed on the chapter 14 page.

Index entries

  • Atrophy, atrophic (of)kidney (senile) (terminal) → N26.1
  • Atrophy, atrophic (of)renal → N26.1
  • Contraction(s), contracture, contractedkidney (granular) (secondary) → N26.9
  • Fibrosis, fibrotickidney → N26.9
  • Nephritis, nephritic (albuminuric) (azotemic) (congenital) (disseminated) (epithelial) (familial) (focal) (granulomatous) (hemorrhagic) (infantile) (nonsuppurative, excretory) (uremic)cirrhotic → N26.9
  • Nephrosclerosis (arteriolar)(arteriosclerotic) (chronic) (hyaline)senile → N26.9
  • Sclerosis, scleroticrenal → N26.9
  • Contraction(s), contracture, contractedkidney (granular) (secondary)Page → N26.2

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy