Methodology
Liquid Chromatography/Tandem Mass Spectrometry
Specimen Type
Serum or Plasma
Performing Lab
ARUP
Epic ID
Other Reference Test
Lab Test Days
Monday
Standard TAT
2-9 Days
Collection Information
Specimen Required
1-2 mL Blood
Container Type
Red Top (No Additive)
Collection Instructions
Plasma collected in a sodium heparin (green-top), lithium heparin (green-top) or an EDTA (lavender-top) tube is also acceptable.
Processing Information - Lab Use Only
Transport Temperature
Refrigerate-OK/Frozen-OK
Specimen Stability
Room Temp: Unacceptable; Refrigerated: 1 Week; Frozen: 2 Weeks (Preferred)
Rejection Criteria
Specimens exposed to more than one freeze/thaw cycle
Test Volume Required
1 mL Serum or Plasma
Minimum Test Volume
0.2 mL Serum or Plasma
Processing Instructions
Complete an ARUP requisition and submit with specimen frozen. Call Apollo Courier Service for pick-up Monday-Friday.
CPT Codes
82540
Revised
02-09-18
Initials
SL