N28.9
ICD-10BillableDisorder of kidney and ureter, unspecified
Official ICD-10-CM descriptor (FY2026)
Disorder of kidney and ureter, unspecified
N28.9 is valid for submission on a claim — CMS flags it as a billable, specific code.
Inclusion terms
- Nephropathy NOS
- Renal disease (acute) NOS
- Renal insufficiency (acute)
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- chronic renal insufficiency (N18.9)
- unspecified nephritic syndrome (N05.-)
Related codes in N28
Where this code sits
- Parent code
- N28
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.