N26
Unspecified contracted kidney
Non-billable headerNot valid on its own. Use one of the more specific codes under it.
N26 is a non-billable ICD-10-CM code category for unspecified contracted kidney. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are N26.1 Atrophy of kidney (terminal); N26.2 Page kidney and N26.9 Renal sclerosis, unspecified. Its coding notes include 4 Excludes1 entries and 9 Excludes2 entries.
Excludes1
Not coded here. The listed conditions generally should not be reported together.
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)