Calculus of kidney and ureter - N20

 Type 1 Excludes

• nephrocalcinosis (E83.5)
• that with hydronephrosis (N13.2)

 Category inclusionTerm

• Calculous pyelonephritis

 Codes

• N20.0 - Calculus of kidney
• N20.1 - Calculus of ureter
• N20.2 - Calculus of kidney with calculus of ureter
• N20.9 - Urinary calculus, unspecified