Test Overview
Test Methodology

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

Reference Range *

Age and sex specific reference ranges provided with report.

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

Test Limitations

Testosterone levels can vary throughout the day, with early morning testosterone levels generally higher than PM levels.
Testosterone levels can fluctuate day to day, so accurate assessment of androgen status may require more than one determination.
Puberty onset can vary considerably for children, along with a variable progression through Tanner stage of puberty.

Test Details
Days Set Up
Tuesday, Thursday, Friday, Sunday
Analytic Time

8 hours

Soft Order Code
TSTMS
MiChart Code
Testosterone, Female and PEDS, LCMS
Synonyms
    Laboratory
    Chemical Pathology
    Section
    Drug Analysis
    Specimen Requirements
    Collection Instructions

    Collect specimen in a red top (preferred) or SST tube. Centrifuge, aliquot serum into a plastic vial and freeze.

    Normal Volume
    0.5 mL serum
    Minimum Volume
    0.25 mL serum
    Billing
    CPT Code
    84403
    Fee Code
    KA008
    LOINC
    2986-8
    NY State Approved
    No