N20
Calculus of kidney and ureter
Urolithiasis (N20-N23)
Chapter 14: Diseases of the genitourinary system (N00-N99)
12 codes in this range
N20.0
Calculus of kidney
N20.1
Calculus of ureter
N20.2
Calculus of kidney with calculus of ureter
N20.9
Urinary calculus, unspecified
N21
Calculus of lower urinary tract
N21.0
Calculus in bladder
N21.1
Calculus in urethra
N21.8
Other lower urinary tract calculus
N21.9
Calculus of lower urinary tract, unspecified
N22
Calculus of urinary tract in diseases classified elsewhere
N23
Unspecified renal colic