Test Overview
Test Methodology

In house validated method

Test Usage

Therapeutic Drug Monitoring

Reference Range *

5 - 25 ng/ml. Some patients respond well to high dose alprazolam therapy with resultant serum concentrations of 30 - 55 ng/ml.

Test Details
Days Set Up
Daily
Analytic Time

7 - 11 days

Soft Order Code
MMLR
Synonyms
  • Xanax
Laboratory
Sendout
Reference Laboratory
Mayo FALPX (MedTox 8)
Section
Special Testing
Specimen Requirements
Collection Instructions

Collect specimen in a red top tube; do not use SST tube. Centrifuge, aliquot serum into a plastic vial, and store at room temperature or refrigerate.

Rejection Criteria
SST tube not acceptable.
Yellow Top Tube
Red Top Tube
Normal Volume
2 mL serum or plasma
Minimum Volume
1 mL serum or plasma
Additional Information

Test sent to Mayo Medical Laboratories; performed by MedTox Laboratories.

Billing
CPT Code
80346
LOINC
3312-6