Test Code PRIM PRIMIDONE LEVEL [LAB485]
Test Performance
Performed:
Monday-Friday 8:00a to 10:00p
Saturday-Sunday 9:00a to 5:00p
Analytical Time:
1 hour
Methodology
Enzyme-multiplied immunoassay
Specimen Requirements
Container/Tube Type:
Red (No Additive)
Green (Lithium Heparin)
Also Acceptable Collection Container:
Plasma from Lavender tubes is acceptable but will not route in the Laboratory Information System (Sunquest).
Transport Information:
1.0 mL blood/0.4 mL serum
Minimum Sample Volume:
0.4 mL blood/0.07 serum
Remarks:
Collect peak blood levels at 3 hours after the last dose; collect trough blood levels just before the next dose is given. A Phenobarbital Level is included in the Primidone Test Order. Phenobarbital is a Metabolite of Primidone.
Specimen Stability
Refrigerated Stability:
21 days
Frozen Stability:
4 months
Ambient Stability:
8 hours
CPT Coding
80188, 80184
Alias
Barbita (Phenobarbital), Luminal (Phenobarbital), Mysoline (Primidone), Phenobarbital, Primidone (Mysoline), Primidone w/Phenobarb Metabolite, Serum, Solfoton (Phenobarbital)