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Test Code FALPX Alprazolam (Xanax)


Specimen Required


Submit only 1 of the following specimens:

 

Serum

Draw blood in a plain, red-top tube(s), serum gel tube is not acceptable. Spin down and send 2 mL of serum refrigerated in a plastic vial.

 

Plasma

Draw blood in a green-top sodium heparin tube(s), plasma gel tube is not acceptable. Spin down and send 2 mL of plasma refrigerated in a plastic vial.


Secondary ID

75156

Method Name

Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)

Reporting Name

Alprazolam (Xanax)

Specimen Type

Varies

Specimen Minimum Volume

1.0 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Varies Refrigerated (preferred) 14 days
  Frozen  180 days
  Ambient  72 hours

Reject Due To

Hemolysis NA
Lipemia NA
Icterus NA
Other Serum gel, Plasma gel

Reference Values

5 – 25 ng/mL

 

Reporting Limit: 2.0 ng/mL

Day(s) and Time(s) Performed

Monday through Sunday

Performing Laboratory

Medtox Laboratories, Inc.

Test Classification

In-house validated method

CPT Code Information

80346

LOINC Code Information

Test ID Test Order Name Order LOINC Value
FALPX Alprazolam (Xanax) 59611-4

 

Result ID Test Result Name Result LOINC Value
FALPX Alprazolam (Xanax) 59611-4