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

4 days

Test Includes
1 Hydroxyzine Atarax®; Hydroxyzine Hydrochloride; Hydroxyzine Pamoate; Vistaril® High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) ng/mL 5 Antihistamine, Anxiolytic
2 Cetirizine Zyrtec® High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) ng/mL 100 Antihistamine

Test Also Known As
Atarax
Specimen Type
Fluid
Requested Volume
1 mL
Minimum Volume
0.4 mL
Special Handling
None
Specimen Container
Plastic container (preservative-free)

Additional Collection Instructions

Transport Temperature
Refrigerated
Light Protection
Not Required
Rejection Criteria
None

Rejection criteria pertain to clinical specimen submissions only.

Stability
Room Temperature: Undetermined
Refrigerated: Undetermined
Frozen (-20 °C): Undetermined
1 Hydroxyzine Atarax®; Hydroxyzine Hydrochloride; Hydroxyzine Pamoate; Vistaril® High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) ng/mL 5 Antihistamine, Anxiolytic
2 Cetirizine Zyrtec® High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) ng/mL 100 Antihistamine

Interface Map

LOINC® Information