N20.2 Calculus of kidney with calculus of ureter

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applies from N20 Calculus of kidney and ureter

Applicable to

• Calculous pyelonephritis

Excludes1 (never code together)

• nephrocalcinosis (E83.59)
• that with hydronephrosis (N13.2)

MS-DRG index

Defines the logic of DRG(s) 693-694 in MDC 11.

Approximate ICD-9-CM (GEMs)

• 592.0 Calculus of kidney (approximate)
• 592.1 Calculus of ureter (approximate)

Code annotations containing back-references to N20.2

Back-references to N20

• Type 2 Excludes: N13 Obstructive and reflux uropathy ("calculus of kidney and ureter without hydronephrosis (N20.-)")

Diagnosis Index entries for N20.2

• Calculus, calculi, calculous › kidney (impacted) (multiple) (pelvis) (recurrent) (staghorn) › with calculus, ureter
• Calculus, calculi, calculous › ureter (impacted) (recurrent) › with calculus, kidney
• Ureteritis › due to calculus › with calculus, kidney

Nearby codes

• N20 Calculus of kidney and ureter
• N20.0 Calculus of kidney
• N20.1 Calculus of ureter
• N20.2 Calculus of kidney with calculus of ureter (this code)
• N20.9 Urinary calculus, unspecified