Methodology
Liquid Chromatography, Tandem Mass Spectrometry (LC/MS/MS)
Specimen Type
Urine, Timed Collection
Performing Lab
Quest Diagnostics San Juan Capistrano
Epic ID
LAB01183
Lab Test Days
6 Days a week
Standard TAT
5 Days
Collection Information
Specimen Required
2 mL Urine from a 24 Hour Urine Collection
Container Type
24-Hour Urine Container
Collection Instructions
Urine collected in a 24-hour urine container without preservative is preferred. 25 mL 6N HCI, 10 mL conc. glacial acetic acid, or 10 g Boric Acid are acceptable preservatives. Reference ranges do not apply to random urine samples.
Processing Information - Lab Use Only
Transport Temperature
Refrigerate-OK/Frozen-OK
Specimen Stability
Room Temp: 48 Hours; Refrigerated: 7 Days; Frozen: 5 Months
Test Volume Required
2 mL Urine
Minimum Test Volume
0.5 mL Urine
Processing Instructions
Record 24-hour urine volume on test request form and urine vial. Reference ranges do not apply to random urine samples.
CPT Codes
82530
Revised
02-21-14
Initials
SL