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Primidone and metabolite(Phenobarbital)

Alias:

Barbita (Phenobarbital), Luminal (Phenobarbital), Mysoline (Primidone), Phenobarbital, Primidone (Mysoline), Primidone w/Phenobarb Metabolite, Serum, Solfoton (Phenobarbital)

Methodology:

Enzyme-multiplied immunoassay

Performed:

Monday-Friday 8:00a to 10:00p
Saturday-Sunday 9:00a to 5:00p

Analytical Time:

1 hour

Testing Laboratory:

Pathology Laboratory

Laboratory Section:

Core Laboratory

Primidone and metabolite(Phenobarbital)

Preferred Collection Container:

SST (Serum Separator)
Light Green (Lithium Heparin Plasma Separator Tube)

Also Acceptable Collection Container:

Red (No Additive)
Green No Gel (Lithium Heparin)

Collection Information:

Collect blood in a serum separator tube or lithium plasma separator tube. (serum red top tube and heparin green top also acceptable).

Transport Information:

Centrifuge and aliquot 0.4 mL of serum or plasma into a plastic transport vial. Send refrigerated.

Minimum Sample Volume: Minimum amount of analytical sample (serum, plasma, urine, CSF, etc.) required to perform an assay once. Submitting the minimum volume makes it impossible to repeat the test or perform confirmatory or reflex testing. In some situations, a minimum specimen volume may result in a QNS (Quantity Not Sufficient) result, requiring a second specimen to be collected.

Minimum amount of analytical sample (serum, plasma, urine, CSF, etc.) required to perform an assay once. Submitting the minimum volume makes it impossible to repeat the test or perform confirmatory or reflex testing. In some situations, a minimum specimen volume may result in a QNS (Quantity Not Sufficient) result, requiring a second specimen to be collected.

0.07 serum or plasma (approximately 0.14 mL of whole blood based upon a normal patient hematocrit)

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.

Stability

Refrigerated Stability:

21 days

Frozen Stability:

4 months

Ambient Stability:

8 hours

Primidone and metabolite(Phenobarbital)

Sunquest Order Code:

PRIM

Epic Number: The test code used to identify this assay in Epic

LAB485

CPT Code:

80188, 80184

Primidone and metabolite(Phenobarbital)

Modified:

10/10/2009 11:07:28 PM