Test Directory

This assay provides the sensitivity and specificity required for the assessment of the low testosterone levels found in women, children, adolescents, and hypogonadal men.

Specimen Type: Serum

Collection Container: Red Top, Plain

Alternate Collection Container: Gold Top, Serum Separator 

Desired Specimen Volume: 0.8 mL

1. Collect a red top, plain tube via venipuncture.

1. Separate serum from cells within 1 hour of collection.
2. Transfer 0.8 mL of serum to a clear aliquot tube (screw cap).

Transport to the laboratory refrigerated. 

• Improper labeling

See patient report.

Drugs, including androgens and steroids, can decrease testosterone levels. Men with advanced prostate cancer often receive drugs that lower testosterone levels. Women receiving estrogen may have increased testosterone levels. Anticonvulsants, barbiturates, and clomiphene can cause testosterone levels to rise.

• Testosterone, Total, Women, Children, and Hypogonadal Males, LC/MS-MS