Test Details
Mnemonic
UCYS
Ordering Code
3700041
CPT-4 Code(s)
82131
Specimen Information
Collect
24-hour urine (refrigerate during collection)
Specimen Preparation
Collect 24 hour urine, refrigerate during collection. Do not use preservative. Start collection after first morning void and collect through first morning void of the next day. Mix 24 hour collection well and send 1.8 mL urine frozen in a screw-capped plastic vial. Record total volume on test requisition and specimen label.
Minimum Volume
0.6 mL
Transport Temperature
Frozen
Rejection Criteria
pH <2.0
IVP within 48 hours of collection
IVP within 48 hours of collection
Stability
Room temperature: Unacceptable
Refrigerated: 48 hours
Frozen: 60 days
Refrigerated: 48 hours
Frozen: 60 days
Methodology
Chromatography/Mass Spectrometry
Reference Range
See report
Performing Laboratory
Quest
New York DOH Approval Status
Yes