N20 Calculus of kidney and ureter

Non-billable header with 4 child codes.

Applicable to

• Calculous pyelonephritis

Excludes1 (never code together)

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

Applies from N20 Calculus of kidney and ureter

Applicable to

• Calculous pyelonephritis

Excludes1 (never code together)

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

Codes under N20

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

Code annotations containing back-references to N20

Back-references to N20

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

Back-references to N20

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

Nearby codes

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