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OROT-M
OROTIC ACID, RANDOM OR TIMED URINE

Test Code OROT-M 
Test OROTIC ACID, RANDOM OR TIMED URINE 
Methodology Colorimetric 
Description Useful for the evaluation of the differential diagnosis of hyperammoniemia and hereditary orotic aciduria. 
Specimen 10 mL (minimum: 3.0 mL) from a random or timed urine collection. No preservative. Send specimen FROZEN in plastic container on dry ice.

NOTE: Indicate collection time on requisition. 

Reference Values < 2 weeks: 1.4 - 5.3 mmol/mol of creatinine
2 weeks - 1 year: 1.0 - 3.2 mmol/mol of creatinine
2 - 10 years: 0.5 - 3.3 mmol/mol of creatinine
>= 11 years: 0.4 - 1.2 mmol/mol of creatinine 
Analytic Time 1 Day 
Day(s) Test Set Up Varies; two times per week 
CPT Code(s) 83921