Test directory: Testosterone, Free

Ordering Code4198
Test NameTestosterone, Free
AliasTestosterone, Free, LC/MS/MS
Preferred SpecimenSerum
Preferred ContainerPlain (Red)
Other Specimen/ContainerPlasma in Lithium Heparin (Green), Plasma in Sodium Heparin (Green)
Optimum Volume3 mL
Collection InstructionsGel collection tubes are not acceptable.
Transport RequirementsOahu: Ambient
Airline: Ambient
Specimen StabilityAmbient: 7 Days
Refrigerated: 7 Days
Frozen: 2 Years
Rejection CriteriaGel barrier tube, Grossly Lipemic, Gross Hemolysis
Avail. StatNO
Analytic Time6 Days
MethodologyChromatography/Mass Spectrometry, Calculation,
Immunochemiluminescence Assay
Reference Lab Quest Diagnostic Lab-NI

Reference range(s)

The reference ranges listed below are valid on this date of April 20, 2024.
ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
Testosterone, FreeALLSee report.