Test Overview
Test Methodology

High Performance Liquid Chromatography with Fluorescence Detection

Reference Range *

The expected serum concentration in patients on usual daily dosages is up to 5 mcg/mL. Toxic: >50 mcg/mL.

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

Test Details
Days Set Up
Daily
Analytic Time

7 - 12 days

Soft Order Code
MMLR
Synonyms
    Laboratory
    Sendout
    Reference Laboratory
    Mayo FFURO (91119) (MedTox 373)
    Section
    Special Testing
    Specimen Requirements
    Collection Instructions

    Collect trough specimen in a green top or red top tube (no SST or PST). Centrifuge, aliquot plasma or serum into a plastic vial and refrigerate.

    Normal Volume
    1 mL plasma or serum
    Minimum Volume
    0.25 mL plasma or serum
    Additional Information

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

    Billing
    CPT Code
    80299
    NY State Approved
    No