A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

Primidone and Phenobarbital

Test Code
PRIM


Quest Code
751


Alias/See Also
MYSOLINE


CPT Codes
80184, 80188

Preferred Specimen
1 mL serum collected in a red-top tube (no gel)


Patient Preparation
Collect as trough just prior to next dose

Minimum Volume
0.2 mL


Other Acceptable Specimens
Plasma collected in: Sodium heparin (green-top) tube, lithium heparin (green-top) tube, or EDTA (lavender-top) tube


Transport Container
Transport tube


Transport Temperature
Refrigerated (cold packs)


Specimen Stability
Room temperature: 72 hours
Refrigerated: 7 days
Frozen: 30 days


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Serum separator tube (SST) • Any serum collection tube with additives


Methodology
Immunoassay (IA)

Reference Range
Primidone 5.0-12.0 mg/L
Phenobarbital 15.0-40.0 mg/L


Performing Laboratory
Quest Diagnostics LLC
200 Forest Street, 3rd Floor, Suite B
Marlborough, MA 01752-3023




The CPT Codes provided in this document 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 payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.