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General Information:

Web Links:

Mayo Clinic Laboratories

Test Code LAB0201046 Phenobarbital, Plasma

Methodology

Enzyme Immunoassay (EIA)

Performing Laboratory

CentraCare Laboratory Services

Specimen Requirements

Specimen Type: Plasma

Container/Tube:

Preferred: Green top (lithium heparin/PST)

Acceptable: Serum (Gold/SST, Plain Red Top), Na Heparin plasma (label specimen appropriately)

Specimen Volume:0.5 ml

Specimen Minimum Volume:  0.25 ml

 

Specimen Transport Temperature

Refrigerated

Reference Values

Therapeutic concentration: 20-40 mcg/mL
Toxic concentration (automatic call-back): ≥55 mcg/mL

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

80184