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N21.0 - Calculus in bladder


The ICD 10 Code for Calculus in bladder is listed as N21.0.
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: N21.0
Description: Calculus in bladder
  • Calculus in diverticulum of bladder
  • Urinary bladder stone
  • Excludes2: staghorn calculus (N20.0)
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 N21 - Calculus of lower urinary tract
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 594.0 - Calculus in diverticulum of bladder (approximate)
ICD 9 Dx Code: 594.1 - Other calculus in bladder (approximate)
ICD-10-CM Siblings (same level / similar specificity) of N21.0:
N21.1 - Calculus in urethra
N21.8 - Other lower urinary tract calculus
N21.9 - Calculus of lower urinary tract, unspecified