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N20.1 - Calculus of ureter


The ICD 10 Code for Calculus of ureter is listed as N20.1.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: N20.1
Description: Calculus of ureter
  • Ureteric stone
Diagnostic Related Groups
(MS-DRG v30.0)
691 - Urinary Stones W Esw Lithotripsy W Cc/mcc
692 - Urinary Stones W Esw Lithotripsy W/o Cc/mcc
693 - Urinary Stones W/o Esw Lithotripsy W Mcc
694 - Urinary Stones W/o Esw Lithotripsy W/o Mcc
Chapter Diseases of the genitourinary system (N00-N99)
Block Urolithiasis (N20-N23)
Parent N20 - Calculus of kidney and ureter
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 592.1 - Calculus of ureter (approximate)
ICD-10-CM Siblings (same level / similar specificity) of N20.1:
N20.0 - Calculus of kidney
N20.2 - Calculus of kidney with calculus of ureter
N20.9 - Urinary calculus, unspecified