Referred Tests
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|---|---|
| Email: | mcl@mayo.edu |
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| Values are valid only on day of printing. | |
Test ID: TTBS
Testosterone, Total and Bioavailable, Serum
Useful For 
Suggests clinical disorders or settings where the test may be helpful
Testosterone, Total:
-Evaluation of men with symptoms or signs of possible hypogonadism, such as loss of libido, erectile dysfunction, gynecomastia, osteoporosis, infertility
-Evaluation of boys with delayed or precocious puberty
-Monitoring testosterone replacement therapy
-Monitoring antiandrogen therapy (eg, used in prostate cancer, precocious puberty, treatment of idiopathic hirsutism, male-to-female transgender disorders)
-Evaluation of women with hirsutism, virilization, and oligo-amenorrhea
-Evaluation of women with symptoms or signs of possible testosterone deficiency
-Evaluation of infants with ambiguous genitalia or virilization
-Diagnosis of androgen-secreting tumors
Testosterone, Total and Bioavailable
-This is the recommended second-level test for suspected increases or decreases in physiologically active testosterone
-Assessment of androgen status in cases with suspected or known sex hormone-binding globulin binding abnormalities
-Assessment of functional circulating testosterone in early pubertal boys and older men
-Assessment of functional circulating testosterone in women with symptoms or signs of hyperandrogenism but normal total testosterone levels
-Monitoring of testosterone therapy or antiandrogen therapy in older men and in females
Profile Information A profile is a group of laboratory tests that are ordered and performed together under a single Mayo Test ID. Profile information lists the test performed, inclusive of the test fee, when a profile is ordered and includes reporting names and individual availability.
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| BATS | Testosterone, Bioavailable, S | No | Yes |
| TTST | Testosterone, Total, S | Yes | Yes |
Method Name A short description of the method used to perform the test
TTST: Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
BATS: Differential Precipitation
NY State Available Indicates the status of NY State approval and if the test is orderable for NY State clients.
Reporting Name Lists a shorter or abbreviated version of the Published Name for a test
Aliases Lists additional common names for a test, as an aid in searching
NonSex Hormone Binding Globulin (SHBG)