Lamotrigine Level

Abbrev Code:LAMTR   
Order Code:LAB6977Order Name:Lamotrigine Level
Methodology:Quantitative enzyme immunoassay
CPT Codes: 80175 x1
Turnaround Time:Specimens are sent to the reference laboratory Sun-Sat; results are reported within 24 hours,

Collection Instructions

Optimal Volume:2 mL
Minimum\Peds Volume:0.8 mL
Container:Red (no gel)
Alternate Containers: Green (lithium heparin, no gel), Green (sodium heparin, no gel), Purple (EDTA)
Collection Instructions:Usual sampling time is immediately prior to next dose (trough).
Causes for Rejection:Serum or plasma separator tubes. Grossly hemolyzed specimens.

Processing and Shipping

Specimen Processing:Within 2 hours of collection: centrifuge and aliquot 1 mL, 0.3 mL minimum. Store at room temperature.
Shipping Instructions:Ship at room temperature.
Stability:After separation from cells: 7 days at room temperature or refrigerated; 4 weeks frozen.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:90177


Critical Range:Toxic: ≥20 ug/mL
Therapeutic Range:2.5-15.0 ug/mL
Use:Optimize drug therapy and monitor patient adherence.

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