Methodology
Liquid Chromatography/Mass Spectrometry (LC/MS)
Specimen Type
Urine, Random
Performing Lab
Quest Diagnostics San Juan Capistrano
Epic ID
LAB01194
Lab Test Days
Tuesday and Thursday
Standard TAT
4-9 Days
Collection Information
Specimen Required
0.6-1.8 mL Random Urine
Container Type
Sterile Container
Processing Information - Lab Use Only
Transport Temperature
Frozen-Only
Specimen Stability
Room Temp=Unacceptable; Refrigerated=Unacceptable; Frozen=60 Days
Rejection Criteria
pH<2.0
Test Volume Required
1.8 mL Random Urine
Minimum Test Volume
0.6 mL Random Urine
Processing Instructions
Do not use preservatives. Urine with a pH <2.0 will be rejected. Do not thaw.
CPT Codes
82131, 82570
Revised
01-03-21
Initials
SL