N18.9
N18.9: Chronic kidney disease, unspecified
Billable / specific codeICD-10-CMunspecified
N18.9 is a billable, specific ICD-10-CM code for chronic kidney disease, unspecified. It is valid for submission on a claim.
Check N18.9 with the rest of the claim: free scrubberInclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Chronic renal disease
- Chronic renal failure NOS
- Chronic renal insufficiency
- Chronic uremia NOS
- Diffuse sclerosing glomerulonephritis NOS
Other codes that can never be billed with N18.9
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
N18.9 is named in 13 Medicare coverage policies: 13 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A52996Billing and Coding: Routine Foot Care
- A55336Billing and Coding: Retroperitoneal Ultrasound
- A56232Billing and Coding: Foot Care
- A56421Billing and Coding: CT of the Abdomen and Pelvis
Alphabetic index entries that lead here
- Apoplexia, apoplexy, apoplectic›uremic
- Glomerulonephritis›sclerosing, diffuse
- Neuropathy, neuropathic›uremic
- Paralysis, paralytic›uremic
- Pericarditis›uremic
- Retinitis›albuminurica
- Retinitis›renal
- Syndrome›uremia, chronic
- Uremia, uremic›chronic NOS
- Disease, diseased›kidney›chronic
- Disease, diseased›renal›chronic
- Failure, failed›renal›chronic
There’s a guided path to this code
The condition this code belongs to
Code history
Unchanged in every release from FY2024 to FY2027.