Purpose
Therapeutic Drug Monitoring
Method(s)
High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS)
Suggested CPT Code(s)
80375
New York State Approval Status

Approved

Turnaround Time

8 days

Test Includes
1 Isoniazid INH High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) mcg/mL 0.1 Antimicrobial

Test Also Known As
Nydrazid®
Specimen Type
Serum or Plasma
Requested Volume
1 mL
Minimum Volume
0.4 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. Freeze at -70 C upon collection and ship on dry ice. Ship overnight Monday through Thursday, to arrive at NMS Labs the following day.
Specimen Container
Plastic container (preservative-free)

Additional Collection Instructions

Transport Temperature
Frozen
Light Protection
Not Required
Rejection Criteria
Received Room Temperature. Received Refrigerated.

Rejection criteria pertain to clinical specimen submissions only.

Stability
Room Temperature: 1 day(s)
Refrigerated: 1 day(s)
Frozen (-20 °C): 1 day(s)
Frozen (-70 °C): 4 month(s)
1 Isoniazid INH High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) mcg/mL 0.1 Antimicrobial

Interface Map

LOINC® Information