Testosterone, Free, Adult Males by ED/LC-MS/MS
2003246
 
Ordering Recommendation
Laboratory reference method for determining free testosterone in men. Free testosterone is generally adequate for most evaluations of suspected hypogonadism.
Mnemonic
FREE T TMS
Methodology
Quantitative Equilibrium Dialysis/High Performance Liquid Chromatography-Tandem Mass Spectrometry
Performed
Sun , Tue, Fri
Reported
1-6 days
New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect between 6-10 a.m.  
Collect
Serum separator tube or green (sodium or lithium heparin).  
Specimen Preparation
Separate from cells ASAP or within 2 hours of collection. Transport 1 mL serum or plasma. (Min: 0.4 mL)  
Storage/Transport Temperature
Frozen.  
Unacceptable Conditions
EDTA plasma.  
Remarks
 
Stability
After separation from cells: Ambient: 24 hours; Refrigerated: 1 week; Frozen: 2 months  
Reference Interval
Male Free Testosterone, pg/mL
18 years and older: 47-​244 pg/mL
Interpretive Data


See Compliance Statement B: www.aruplab.com/CS
Note
CPT Code(s)
84402
Components
Component Test Code*Component Chart Name
2003247Testos Free Adult Male ED/LC-MS/MS
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, contact interface support at interface.support@aruplab.com.
Cross References
  • Direct Dialysis (Testosterone, Free, Adult Males by ED/LC-MS/MS)