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Labcorp Oklahoma, Inc.
Test Directory


Index:

Testosterone Total, LCMS

Order Name TEST T LCMS
Test Number: 3602651
Revision Date 06/28/2023
Test Name Methodology LOINC Code
Testosterone, Total
Liquid Chromatography/Tandem Mass Spectrometry 2986-8 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1 mL (0.5 mL) Serum Clot Activator SST Refrigerated
Instructions Recommended for Women, children under 13 years of age, hypogonadal males, or patients undergoing anti-androgenic therapies.
Specimen: Serum - Red-top tube or serum separator (SST)
Collection: Serum should be transferred from cells within one hour of collection and transferred to a plastic transport tube.
Preferred Specimen Volume: 1.0 mL (0.2 mL min - does not allow for repeat testing)
Storage/ Transport Temperature: Room temperature, refrigerated or frozen
Stability: Room Temp: 8 days; Refrigerated: 7 days; Frozen: 5.58 years
Cause for Rejection: Improperly labeled specimens, specimens collected tube other than red-top or SST.
GENERAL INFORMATION
Testing Schedule Mon-Fri 
Expected TAT 2-5 Days  
CPT Code(s) 84403
Lab Section Chemistry