Purpose
Therapeutic Drug Monitoring
Method(s)
High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS)
Suggested CPT Code(s)
80194
80362
New York State Approval Status

Approved

Turnaround Time

8 days

Test Includes
1 Quinidine Conquinine High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) ng/mL 10 Cardiovascular
2 Dextro / Levo Methorphan High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) ng/mL 5 Antitussive

Test Also Known As
Dextromethorphan; DXM; Levomethorphan
Specimen Type
Blood
Requested Volume
2 mL
Minimum Volume
0.7 mL
Special Handling
None
Specimen Container
Gray top tube (Sodium Fluoride / Potassium Oxalate), Lavender top tube (EDTA)

Additional Collection Instructions

Transport Temperature
Refrigerated
Light Protection
Not Required
Rejection Criteria
None

Rejection criteria pertain to clinical specimen submissions only.

Stability
Room Temperature: 30 day(s)
Refrigerated: 30 day(s)
Frozen (-20 °C): 30 day(s)
1 Quinidine Conquinine High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) ng/mL 10 Cardiovascular
2 Dextro / Levo Methorphan High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) ng/mL 5 Antitussive

Interface Map

LOINC® Information