Testosterone Free and Total by ED/LC-MS/MS (Free) and LC-MS/MS (Total), Adult Males
2004246
 
Ordering Recommendation
Laboratory reference method for determining free and total testosterone in men. Total or free testosterone is generally adequate for most evaluations of suspected hypogonadism.
Mnemonic
TE F&T ED
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 serum or plasma 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

Male Total Testosterone, ng/dL
18-​39 years: 300-​1080 ng/dL
40-​59 years: 300-​890 ng/dL
60 years and older: 300-​720 ng/dL
Interpretive Data


See Compliance Statement B: www.aruplab.com/CS
Note
CPT Code(s)
84402; 84403
Components
Component Test Code*Component Chart Name
2003247Testos Free Adult Male ED/LC-MS/MS
2004245Testosterone Total, LC-MS/MS, Males
* 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 & Total by ED/LC-MS/MS (Free) and LC-MS/MS (Total), Adult Males)
  • Total and Free (Testosterone Free & Total by ED/LC-MS/MS (Free) and LC-MS/MS (Total), Adult Males)