| N20 | Calculus of kidney and ureter | |||||||
| Excludes: | with hydronephrosis
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| N20.0 | Calculus of kidney | |||||||
| Nephrolithiasis NOS
Renal calculus or stone Staghorn calculus Stone in kidney |
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| N20.1 | Calculus of ureter | |||||||
| Ureteric stone
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| N20.2 | Calculus of kidney with calculus of ureter | |||||||
| N20.9 | Urinary calculus, unspecified | |||||||
| Calculous pyelonephritis
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| N21 | Calculus of lower urinary tract | |||||||
| Includes: | with cystitis and urethritis
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| N21.0 | Calculus in bladder | |||||||
| Calculus in diverticulum of bladder
Urinary bladder stone |
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| Excludes: | staghorn calculus
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| N21.1 | Calculus in urethra | |||||||
| N21.8 | Other lower urinary tract calculus | |||||||
| N21.9 | Calculus of lower urinary tract, unspecified | |||||||
| N22* | Calculus of urinary tract in diseases classified elsewhere | |||||||
| N22.0* |
Urinary calculus in schistosomiasis [bilharziasis]
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| N22.8* | Calculus of urinary tract in other diseases classified elsewhere | |||||||
| N23 | Unspecified renal colic | |||||||