Urolithiasis

Definition

A condition of the urinary system, caused by dehydration, decreased urine volume or fluid flow rates, or increased excretion of minerals such as calcium, oxalate, magnesium, cystine, and phosphate. This condition is characterised by the presence of calculi originating in the urinary system or which are located within the urinary system. Confirmation is by abdominal radiography, or intravenous pyelography.

Exclusions

• Crystalluria (4B4Y)
• Cystinuria (5C60.2)
• Hypercalciuria (MF98.0)
• Hyperoxaluria (5C51.2)

3 subordinate codes

• GB70Calculus of upper urinary tract
• GB71Calculus of lower urinary tract
• 4B4ZDiseases of the immune system, unspecified

Nearby in Diseases of the urinary system

• GB40-GB4ZGlomerular diseases
• GB50-GB5ZRenal tubulo-interstitial diseases
• GB60-GB6ZKidney failure
• GB80-GB8ZCystic or dysplastic kidney disease
• GB90Certain specified disorders of kidney or ureter
• GC00-GC0YCertain specified diseases of urinary system
• Neoplasms of the urinary system
• 4B4ZDiseases of the immune system, unspecified