Test Details
Mnemonic
UHVA
Ordering Code
3686400
CPT-4 Code(s)
83150
Specimen Information
Patient Preparation
Abstain from all medication 72 hours prior to collection.
Collect
24 hour urine, refrigerate during collection
Specimen Preparation
Mix well and send a 4.0 mL urine aliquot in a screw capped plastic urine container. Record total volume on requisition and specimen label.
Alternate Specimen
Random urine
Minimum Volume
1.0 mL
Transport Temperature
Refrigerated
Rejection Criteria
Specimens other than urine.
Stability
Room temperature: Unacceptable
Refrigerated: 7 days
Frozen: 14 days
Refrigerated: 7 days
Frozen: 14 days
Methodology
Quantitative High Performance Liquid Chromotography/Tandem Mass Spectrometry
Reference Range
See report
Performing Laboratory
ARUP
New York DOH Approval Status
Yes