About Section N20-N23

Section N20-N23 covers Urolithiasis within Chapter 14 of the ICD-10-CM Tabular List. This section includes diagnosis codes ranging from N20 to N23. Each code below includes its description, billable status, and links to detailed coding guidelines.

Diagnosis Codes 12 entries

N20Calculus of kidney and ureterNon-Billable›N20.0Calculus of kidneyBillable›N20.1Calculus of ureterBillable›N20.2Calculus of kidney with calculus of ureterBillable›N20.9Urinary calculus, unspecifiedBillable›N21Calculus of lower urinary tractNon-Billable›N21.0Calculus in bladderBillable›N21.1Calculus in urethraBillable›N21.8Other lower urinary tract calculusBillable›N21.9Calculus of lower urinary tract, unspecifiedBillable›N22Calculus of urinary tract in diseases classified elsewhereBillable›N23Unspecified renal colicBillable›