N28.9
N28.9: Disorder of kidney and ureter, unspecified
Billable / specific codeICD-10-CMunspecified
N28.9 is a billable, specific ICD-10-CM code for disorder of kidney and ureter, unspecified. It is valid for submission on a claim.
Check N28.9 with the rest of the claim: free scrubberExcludes1: never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Nephropathy NOS
- Renal disease (acute) NOS
- Renal insufficiency (acute)
Other codes that can never be billed with N28.9
Their own Excludes1 notes name this code, so the conflict is not listed above.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
N28.9 is named in 2 Medicare coverage policies: 2 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A56421Billing and Coding: CT of the Abdomen and Pelvis
- A59105Billing and Coding: Off-Label Use of Intravenous Immune Globulin (IVIG)
Alphabetic index entries that lead here
- Inefficiency, kidney
- Nephropathy
- Shutdown, renal
- Block, blocked›kidney
- Cachexia›renal
- Complication›renal
- Disease, diseased›kidney(functional) (pelvis)
- Disease, diseased›renal(functional) (pelvis)
- Disease, diseased›ureter
- Disorder›kidney
- Disorder›ureter(in)
- Impaired, impairment›kidney
Code history
Unchanged in every release from FY2024 to FY2027.