System
WHO ICD-10
N21
ICD-10 code
N21
Category
Calculus of lower urinary tract
Chapter
Chapter XIV · Diseases of the genitourinary system
About this code
N21 is the ICD-10 category for Calculus of lower urinary tract, within chapter XIV · Diseases of the genitourinary system. ICD-10 is the World Health Organization's classification of diseases and is used on medical records, insurance claims and health statistics worldwide. A code is a classification, not a diagnosis: this page is a reference index, not medical advice, and any health question belongs with a doctor.