N22

N22: Calculus of urinary tract in diseases classified elsewhere

Billable / specific codeICD-10-CM

N22 is a billable, specific ICD-10-CM code for calculus of urinary tract in diseases classified elsewhere. It is valid for submission on a claim.

Check N22 with the rest of the claim: free scrubber

Code first

The underlying condition must be sequenced before this code.

underlying disease, such as:
gout (M1A.-, M10.-)
schistosomiasis (B65.0-B65.9)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

N22 is named in 5 Medicare coverage policies: 5 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A55336Billing and Coding: Retroperitoneal Ultrasound
A56421Billing and Coding: CT of the Abdomen and Pelvis
A57718Billing and Coding: Vitamin D Assay Testing
A57736Billing and Coding: Vitamin D Assay Testing

Code history

Unchanged in every release from FY2024 to FY2027.