Methodology
Liquid Chromatography/Tandem Mass Spectrometry (LS/MS/MS)
Specimen Type
Whole Blood
Performing Lab
Quest Diagnostics Chantilly
Lab Test Days
Monday-Saturday
Standard TAT
1 Day
Collection Information
Specimen Required
1-2 mL Whole Blood
Container Type
Lavender (EDTA)
Collection Instructions
Drug regimens are to be noted on requisition IF AVAILABLE: Time and date of drug administration. Note: Therapeutic range applies to trough specimens drawn just prior to a.m. dose.
Processing Information - Lab Use Only
Transport Temperature
Refrigerate-OK/Frozen-OK/Ambient-OK
Specimen Stability
Room Temp: 7 Days; Refrigerated: 14 Days; Frozen: 30 Days
Rejection Criteria
Gel barrier tubes; Clotted specimens
Test Volume Required
2 mL Whole Blood
Minimum Test Volume
1 mL Whole Blood
Processing Instructions
Drug regimens are to be noted on requisition IF AVAILABLE: Time and date of drug administration.
CPT Codes
80169
Revised
02-01-18
Initials
SL
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