Test directory: Testosterone, Total and Free

Ordering Code297
Test NameTestosterone, Total and Free
AliasTestosterone Index
Testosterone, Dialyzable
Testosterone, Fractionated
Testosterone, Total MS & Testosterone, Free (Dialysis)
Preferred SpecimenSerum
Preferred ContainerPlain (Red)
Other Specimen/ContainerPlasma in Lithium Heparin (Green),
Plasma in Sodium Heparin (Green)
Optimum Volume2 mL
Collection InstructionsDo NOT combine with other tests
** Have this test NOT be shared with any other tests even within its OWN worklist. **
Draw 2 tubes.
Handling InstructionsNeeds own aliquot.
Transport RequirementsOahu: Ambient
Airline: Frozen
Specimen StabilityAmbient: 7 Days
Refrigerated: 7 Days
Frozen: 2 Years
Rejection CriteriaGrossly hemolyzed, Lipemic, Specimen collected in an SST
Avail. StatNO
Analytic Time7 Days
MethodologyLiquid Chromatography Tandem Mass Spectrometry, Tracer
Equilibrium Dialysis, Calculation
Reference Lab Quest Diagnostic Lab-NI

Reference range(s)

ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
Testosterone, TotalALLSee report.
Testosterone, FreeALLSee report.