N20.0 Calculus of kidney
Instructional Notes:
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N20.0
Description: Calculus of kidney
Inclusion Term:
- Nephrolithiasis NOS
- Renal calculus
- Renal stone
- Staghorn calculus
- Stone in kidney
↓
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N20
Description: Calculus of kidney and ureter
Exclude1:
- nephrocalcinosis (E83.59)
- that with hydronephrosis (N13.2)
Inclusion Term:
↓
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N20-N23
Description: Urolithiasis (N20-N23)
↓
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N00-N99
Description: Diseases of the genitourinary system
Exclude2:
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)