URATE - urine

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Specimen: Random or 24 hour urine collection.

Method: Spectrophotometry.

Reference Interval:

Random collection:
Infant <6 months:	<1.5 mol/mol creatinine
Adult (male, female):	0.6 mol/mol creatinine
24 hour collection:
Adult male:	2.2-6.6 mmol/24 hours
Adult female:	1.6-5.6 mmol/24 hours

Application: Gout, renal calculous disease, suspected Lesch-Nyhan syndrome.

Interpretation: Patients with a high urate excretion have an increased risk of forming uric acid renal calculi.

Reference: Simkin PA et al. Ann Int Med 1979; 91: 44-47.

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