Purpose
Therapeutic Drug Monitoring
Method(s)
Gas Chromatography (GC)
Suggested CPT Code(s)
80342
New York State Approval Status

Approved

Turnaround Time

4 days

Test Includes
1 Thioridazine Mellaril® Gas Chromatography (GC) ng/mL 50 Antipsychotic (Neuroleptic)
2 Mesoridazine Thioridazine Metabolite Gas Chromatography (GC) ng/mL 50 Antipsychotic (Neuroleptic)

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
NMS Labs has no experimental or literature-based data regarding the choice of specific specimen collection containers for this test.

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: 8 day(s)
Refrigerated: 8 day(s)
Frozen (-20 °C): 12 month(s)
1 Thioridazine Mellaril® Gas Chromatography (GC) ng/mL 50 Antipsychotic (Neuroleptic)
2 Mesoridazine Thioridazine Metabolite Gas Chromatography (GC) ng/mL 50 Antipsychotic (Neuroleptic)

Interface Map

LOINC® Information