TESTOSTERONE, FREE & TOTAL

Test Code: 167Specimen Collection: Serum
Component:


Testosterone, Free
Testosterone, Total

Method:


CALC
IA

Collection Notes: Avoid hemolyzed specimens.
Clinical Utility: Useful in assessing hirsutism and masculinization in women or testicular function in males.
CPT Code: 84403, 84402Testing Location: AML
SPECIMEN/STABILITY TYPE
Temperature:

Serum (1 mL)

Ambient
 
48
 
Hours
Refrigerated
 
7
 
Days
Frozen
 
>7
 
Days

Plasma (1 mL), Li or Na heparin or EDTA

Ambient
 
48
 
Hours
Refrigerated
 
7
 
Days
Frozen
 
>7
 
Days
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