Methodology
Chromatography/Mass Spectrometry
Synonyms
Topamax
Specimen Type
Serum or Plasma
Performing Lab
Quest Diagnostics Valencia
Epic ID
LAB01077
Lab Test Days
Tuesday-Saturday
Standard TAT
4 Days
Collection Information
Specimen Required
1-2 mL Blood
Container Type
Red Top (No Additive)
Collection Instructions
Draw at peak (2-4 hours after dose) or trough (0.5-1 hour before dose) at steady state. Do not use serum/plasma separator tubes (SST/PST). Plasma collected in a lithium (green-top) or sodium heparin (green-top) tube is also acceptable.
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
Serum/plasma separator tubes (SST/PST)
Test Volume Required
1 mL Serum or Plasma
Minimum Test Volume
0.5 mL Serum or Plasma
CPT Codes
80201
Revised
10-14-18
Initials
SL