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OXRAN / ROXU-M
OXALATE, RANDOM, URINE

Test Code OXRAN / ROXU-M 
Test OXALATE, RANDOM, URINE 
Methodology Enzymatic Using Oxalate Oxidase 
Description Monitoring therapy for kidney stones.

Identifying increased urinary oxalate as a risk factor for stone formation.

Diagnosis of primary or secondary hyperoxaluria.

A timed 24-hour urine collection is the preferred specimen for measuring and interpreting this urinary analyte. Random collections normalized to urinary creatinine may be of some clinical use in patients who cannot collect a 24-hour specimen, typically small children. Therefore, this random test is offered for children <16 years old. 

Specimen Send 5 mL (minimum 4 mL) in a plastic container, refrigerated, no preservative.
Note: 1. A timed 24-hour urine collection is the preferred specimen for measuring and interpreting this urinary analyte. Random collections normalized to urinary creatinine may be of some clinical use in patients who cannot collect a 24-hour specimen, typically small children. Therefore, this random test is offered for children <16 years old.

2. Avoid taking large doses (>2 g orally/24 hours) of vitamin C prior to specimen collection. 

Reference Values No established reference values 
Analytic Time 3 Days 
Day(s) Test Set Up Monday through Saturday 
CPT Code(s) 83945