Alphabetic Index FY2027

N26.9

Renal sclerosis, unspecified

FY2027Chapter 14: Diseases of the genitourinary system/N25–N29 Other disorders of kidney and ureter

BillableComplete code, valid to report

N26.9 (also written N269) is a billable ICD-10-CM diagnosis code for renal sclerosis, unspecified. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 3 codes in category N26 (Unspecified contracted kidney). The Alphabetic Index lists it under 5 entries. Its coding notes include 4 Excludes1 entries and 9 Excludes2 entries.

Excludes1

Not coded here. The listed conditions generally should not be reported together.

Inherited from N26 Unspecified contracted kidney
  • contracted kidney due to hypertension (I12.-)
  • diffuse sclerosing glomerulonephritis (N05.8.-)
  • hypertensive nephrosclerosis (arteriolar) (arteriosclerotic) (I12.-)
  • small kidney of unknown cause (N27.-)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Also from chapter/block level (9 notes)
Inherited from N25–N29 Other disorders of kidney and ureter
  • disorders of kidney and ureter with urolithiasis (N20-N23)
Inherited from Chapter 14 Diseases of the genitourinary system
  • 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)

Alphabetic Index terms

Terms the official Alphabetic Index lists for this code. 5 entries