N26.9 Renal sclerosis, unspecified

Billable ICD-10-CM code, FY2026.

Applies from N26 Unspecified contracted kidney

Excludes1 (never code together)

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

MS-DRG index

Defines the logic of DRG(s) 698-700 in MDC 11.

Approximate ICD-9-CM (GEMs)

• 587 Renal sclerosis, unspecified (approximate)

Diagnosis Index entries for N26.9

• Contraction (s), contracture, contracted › kidney (granular) (secondary)
• Fibrosis, fibrotic › kidney
• Nephritis, nephritic (albuminuric) (azotemic) (congenital) (disseminated) (epithelial) (familial) (focal) (granulomatous) (hemorrhagic) (infantile) (nonsuppurative, excretory) (uremic) › cirrhotic
• Nephrosclerosis (arteriolar)(arteriosclerotic) (chronic) (hyaline) › senile
• Sclerosis, sclerotic › renal

Nearby codes

• N26 Unspecified contracted kidney
• N26.1 Atrophy of kidney (terminal)
• N26.2 Page kidney
• N26.9 Renal sclerosis, unspecified (this code)