3248 Testosterone, Free & Total

Components
NAME METHOD REFERENCE RANGE UNITS
Testosterone Total CL  view ref range  ng/dL 
Testosterone Free RIA  view ref range  ng/dL 
Testosterone % Free CALC  view ref range  % of total 


Specimen Requirements
TYPE VOLUME TEMPERATURE INSTRUCTIONS
PRIMARY
1 Serum 1.5 (1) mL   Refrigerated - 7 Day(s), Frozen - 2 Month(s)  


Clinical utility
Used to evaluate hirsutism and masculinization in women or testicular function in clinical states where the testosterone binding proteins may be altered (obesity, cirrhosis, thyroid disorders). Total testosterone includes free testosterone, weakly bound testosterone (bound to albumin), and tightly bound testosterone (bound to SHBG or sex hormone binding globulin).


Reported: Same day

CPT Code: 84402, 84403

Notes: This test should be ordered for males 12 years or older. Please supply DOB and gender of patient on Specialty's Test Requisition Form. Also available Testosterone, Free, #3247; Testosterone, Total, #3244.