Lab Test Details
|
SIM |
LAB173 |
|
CPT |
84403; 84402 |
|
Synonyms |
Free Testosterone and Total; Testosterone, Free (Direct) with Total; F&T Testosterone |
|
Specimen Type |
Serum |
|
Container |
Red-top or gold-top tube |
|
Collection Instructions |
|
|
Volume |
Volume: 2 mL |
|
Additional Information |
Evaluate hirsutism and masculinization in women; evaluate testicular function in clinical states where the testosterone binding proteins may be altered (obesity, cirrhosis, thyroid disorders). |
|
Patient Preparation |
|
|
Specimen Processing Instructions |
If a red-top tube is used, transfer separated serum to a plastic transport tube. |
|
Transport Requirements |
Room Temperature |
|
Specimen Stability |
Room Temperature or Refrigerated: 14 days |
|
Rejection Criteria |
Gross lipemia; plasma specimen; recently administered isotopes |
|
Reference Range |
Reference Range accompanies report |
|
Critical Value |
|
|
Test Includes |
Total testosterone and free testosterone |
|
Methodology |
Free: Direct analog enzyme immunoassay (EIA) Total: Electrochemiluminescence immunoassay (ECLIA) |
|
Testing Frequency |
|
|
LCA |
140103 |
|
Reviewed By |
Rhonda Crowe |
|
Reviewed Date |
3/1/23 |
|
Supplemental |
* Denotes Reference Lab Test |