N18.1
N18.1: Chronic kidney disease, stage 1
Billable / specific codeICD-10-CM
N18.1 is a billable, specific ICD-10-CM code for chronic kidney disease, stage 1. It is valid for submission on a claim.
Check N18.1 with the rest of the claim: free scrubberOther codes that can never be billed with N18.1
Their own Excludes1 notes name this code, so the conflict is not listed above.
- N19Unspecified kidney failure
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
N18.1 is named in 22 Medicare coverage policies: 22 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
- Disease, diseased›kidney›chronic›stage 1
There’s a guided path to this code
The condition this code belongs to
Code history
Unchanged in every release from FY2024 to FY2027.