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Test Code TEST Testosterone, Total, Serum

Additional Codes

LAB124

Methodology

Useful for evaluation of males with erectile dysfunction, gynecomastia, osteoporosis, infertility, delays or precocious puberty, and for monitoring replacement therapy. Evaluation in women with hirsutism, virilization and oligomenorrhea. Evaluation of infants with ambiguous genitalia and/or virilizing syndrome.

 

Please note: Patients with heterophilic antibodies, patients receiving high-dose biotin therapy, patients with indirect bilirubin >15 mg/dL or total bilirubin >20 mg/dL and/or patients receiving new steroid-based medications (analogues) with similar chemical structures to testosterone may show elevated or erroneous results. There is a strong interaction with Nandrolone deconate, 11B-Hydroxytestosterone and 11Bketo-testosterone and samples from patients receiving these compounds should not be tested.

Performing Laboratory

St. Mary's Regional Medical Center-Chemistry

 

CPT: 84403

 

Specimen Requirements

Container/Tube: Plain, red-top tube or serum gel tube

Specimen: 1 mL of serum

Transport Temperature: Ambient

Reference Values

Males:

Age 2-10     <7.00-29.44 ng/dL

        11        <7.00-353.00

        12        <7.00-562.42

        13         8.19-582.87

        14         20.35-777.38

        15         127.21-849.36

        16-21    113.19-882.10

        21-49    123.06-813.86

        50-89    86.98-780.10

 

Females:

        2-10      <7.00-117.76 ng/dL

        11-15    <7.00-38.92

        16-21    15.06-42.41

        21-60     9.01-47.94  (pre-menopause)

        45-89     <7.00-45.62 (post-menopause)

Day(s) Test Set Up

Monday through Friday