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.
Submit With Order
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
Statement B: This test was developed and its performance characteristics determined by ARUP Laboratories. The U.S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.
 
Note
 
CPT Code(s)
84402
Components
Component Test Code*Component Chart NameLOINC
2003247Testos Free Adult Male ED/LC-MS/MS2991-8
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Direct Dialysis (Testosterone, Free, Adult Males by ED/LC-MS/MS)