 
| ICD-10-CM-2023 > N00-N99 > N20-N23 > N20 | 
| N20-N23 | Urolithiasis | |
| N20 | Calculus of kidney and ureter | |
| Info: | Calculous pyelonephritis | |
| Excl1.: | nephrocalcinosis (E83.5) that with hydronephrosis (N13.2) | |
| N20.0 | Calculus of kidney | |
| Info: | Nephrolithiasis NOS Renal calculus Renal stone Staghorn calculus Stone in kidney | |
| N20.1 | Calculus of ureter | |
| Info: | Calculus of the ureteropelvic junction Ureteric stone | |
| N20.2 | Calculus of kidney with calculus of ureter | |
| N20.9 | Urinary calculus, unspecified | |
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