N28
Other disorders of kidney and ureter, not elsewhere classified
Non-billable headerNot valid on its own. Use one of the more specific codes under it.
N28 is a non-billable ICD-10-CM code category for other disorders of kidney and ureter, not elsewhere classified. 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 N28.0 Ischemia and infarction of kidney; N28.1 Cyst of kidney, acquired; N28.8 Other specified disorders of kidney and ureter and N28.9 Disorder of kidney and ureter, unspecified. Its coding notes include 9 Excludes2 entries.
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)