N21
Non-Billable (Header)Calculus of lower urinary tract
Includes
- calculus of lower urinary tract with cystitis and urethritis
Child Codes
Code Hierarchy
└N21Calculus of lower urinary tract
└N21Calculus of lower urinary tract
Open N21 in the Interactive Encoder
See full code details, AI coding tips, HCC mappings, and related codes in our interactive encoder. Start your 14-day Pro trial — no credit card required.