Test Overview
Test Methodology

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

Test Usage

Therapeutic drug monitoring.

Reference Range *

5 - 25 ng/ml

Test Details
Days Set Up
Daily
Analytic Time

6 - 11 days

Soft Order Code
MMLR
Synonyms
  • Halcyon
Laboratory
Sendout
Reference Laboratory
Mayo FHAL (90119) (MedTox 125)
Section
Special Testing
Specimen Requirements
Collection Instructions

Collect blood in 7 ml red or green top tube; do not use SST tube. Centrifuge, aliquot serum or plasma into plastic vial and store at room temperature or refrigerate.

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

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

Billing
CPT Code
80346
Fee Code
32083
NY State Approved
No