A
5200 Harry Hines Blvd.
,
Dallas
,
TX
75235
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General Information
Alias: Tegretol
Performed: 24/7
Turn Around Time: Med Emerg: 2 hours; Routine: 4 hrs
CPT Codes: 80156
Performed By: Chemistry
Clinical Utility:
Monitor therapy, Determine compliance or Assess toxicity.
Toxicities can occur at therapeutic doses and not always correlated to levels. The level ranges as follows are approximations.
Mild toxicity: 11.0-15.0 mcg/mL Symptoms - ataxia and decreased consciousness.
Moderate toxicity: 15.0-25.0 mcg/mL Symptoms - hallucinations, irritability, agitation, choreiform movements.
Sever toxicity: >25.0-30.0 mcg/mL Symptoms - coma and seizures.
>40.0 mcg/mL Symptoms - risk of respiratory failure, coma, seizures, and ECG changes
Components
Name |
Method |
Sex |
Age Range |
Ref. Range Low |
Ref. Range High |
Units |
Carbamazepine Lvl |
Particle-enhanced turbidimetric inhibition immunoassay |
All |
All |
4 |
12 |
mcg/mL |
Specimen Requirements
Type |
Container |
Volume |
Units |
Collection / Delivery |
Storage / Transport |
Off Campus |
Blood |
Red no Gel, 6mL |
Fill tube |
|
Collect just before next dose for suspected toxicity, but note levels may not correlate to symptoms well in an overdose situation due to delayed absorption. Collect anytime for suspected toxicity. Deliver to Logistics Lab. |
Room Temperature |
Serum should be separated from cells within 2hrs of collection. Deliver refrigerated serum aliquot to Logistics Lab. |