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Orotic Acid, Urine
Test Code20660
CPT Codes
83921, 82570
Includes
Creatinine, Urine
Preferred Specimen
2 mL random urine collected in standard transport tube
Minimum Volume
1 mL
Instructions
Collect First catch urine. Also acceptable: Random urine.
Specimen must be stored refrigerated until frozen. Transfer 2 mL urine to an ARUP standard transport tube and freeze immediately.
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
Frozen: 30 days (avoid repeated freeze/thaw cycles)
Specimen must be stored refrigerated until frozen. Transfer 2 mL urine to an ARUP standard transport tube and freeze immediately.
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
Frozen: 30 days (avoid repeated freeze/thaw cycles)
Transport Temperature
Frozen
Specimen Stability
Room temperature: Unacceptable
Refrigerated: 24 hours
Frozen: 30 days (avoid repeated freeze/thaw cycles)
Refrigerated: 24 hours
Frozen: 30 days (avoid repeated freeze/thaw cycles)
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Urine specimens containing preservatives
Methodology
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
Setup Schedule
Set up: Monday; Report available: 2-9 days
