Lamotrigine (Lamictal)

Cleveland Heartlab L, Test

CPT Code: 80175
Order Code: C2571
ABN Requirement: No
Synonyms: Lamictal
Specimen: Serum
Volume:  2.0 mL
Minimum Volume:  0.5 mL
Container: Gel-barrier tube (SST, Tiger Top)



  1. Collect and label sample according to standard protocols.
  2. Gently invert tube 5 times immediately after draw. DO NOT SHAKE.
  3. Let tube stand in a vertical position to allow blood to clot 30 minutes.
  4. Centrifuge for 10 minutes.

Special Information: Collect specimen immediately prior to next dose.

Transport: Store serum at 2-8°C after collection and ship the same day per packaging instructions provided with the Cleveland HeartLab shipping box.


Ambient (15-25°C): 24 hours
Refrigerated (2-8°C):
5 days
Frozen (-20°C):
3 months
Deep Frozen (-70°C):
3 months

Causes for Rejection: Specimens other than serum; improper labeling; samples not stored properly; samples older than stability limits; hemolyzed specimens

Methodology: High Performance Liquid Chromatography (HPLC)

Turn Around Time: 2-6 days

Reference Range:

All AgesTherapeutic range: 1.0-13.0

Intended Use: Monitor therapeutic administration of lamotrigine.

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.