Test Overview
Test Methodology

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

Test Usage

Therapeutic Drug Monitoring

Reference Range *

5 - 20 ng/ml

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
Tuesday and Thursday
Analytic Time

6 - 14 days

Soft Order Code
MMLR
Synonyms
    Laboratory
    Sendout
    Reference Laboratory
    Mayo RIT (80456) (MedTox 79)
    Section
    Special Testing
    Specimen Requirements
    Collection Instructions

    Collect specimen in a red top or green top tube; do not use SST or PST tube. Centrifuge, aliquot serum or plasma into a plastic vial and freeze within 6 hours of collection.

    Alternate Specimen
    Heparinized plasma (green top) is acceptable. [3/02]
    Normal Volume
    2 mL serum or plasma
    Minimum Volume
    0.5 mL serum or plasma
    Rejection Criteria
    SST or PST tube not acceptable.
    Additional Information

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

    Billing
    CPT Code
    80360
    NY State Approved
    No