Purpose
Therapeutic Drug Monitoring
Method(s)
High Performance Liquid Chromatography (HPLC)
Suggested CPT Code(s)
80184
80188
New York State Approval Status

Approved

Turnaround Time

8 days

Test Includes
1 Primidone Mysoline® High Performance Liquid Chromatography (HPLC) mcg/mL 0.5 Anticonvulsant, Antiepileptic
2 Phenobarbital Primidone Metabolite High Performance Liquid Chromatography (HPLC) mcg/mL 0.5 Anticonvulsant, Sedative
3 Phenylethylmalonamide (PEMA) Primidone Metabolite High Performance Liquid Chromatography (HPLC) mcg/mL 0.5 Anticonvulsant, Antiepileptic

Specimen Type
Serum or Plasma
Requested Volume
2 mL
Minimum Volume
0.7 mL
Special Handling
Serum: Collect sample in Red top tube
Plasma: Collect sample in Lavender top tube (EDTA) or Pink top tube.
Promptly centrifuge and separate Serum or Plasma into a plastic screw capped vial using approved guidelines.
Specimen Container
Plastic container (preservative-free)

Additional Collection Instructions

Transport Temperature
Refrigerated
Light Protection
Not Required
Rejection Criteria
Polymer gel separation tube (SST or PST).

Rejection criteria pertain to clinical specimen submissions only.

Stability
Room Temperature: 14 day(s)
Refrigerated: 14 day(s)
Frozen (-20 °C): 3 month(s)
1 Primidone Mysoline® High Performance Liquid Chromatography (HPLC) mcg/mL 0.5 Anticonvulsant, Antiepileptic
2 Phenobarbital Primidone Metabolite High Performance Liquid Chromatography (HPLC) mcg/mL 0.5 Anticonvulsant, Sedative
3 Phenylethylmalonamide (PEMA) Primidone Metabolite High Performance Liquid Chromatography (HPLC) mcg/mL 0.5 Anticonvulsant, Antiepileptic

Interface Map

LOINC® Information