Testosterone (Free / Total) Lab Test

Testosterone (Free / Total)
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Clinical Definition of Testosterone (Free / Total)

 

A testosterone test is done to check the blood level of the male sex hormone testosterone. The typical range for testosterone levels in males varies based on age and maturity stage. For females, testosterone levels are typically low. 

 
Higher testosterone levels in males indicate adrenal tumors, testicular tumors  early puberty of unknown cause in boys and congenital hyperplasia. Increased testosterone levels in females indicate congenital adrenocortical hyperplasia, PCOS and ovarian/adrenal gland tumor.
 
Testosterone plays a vital role in sexual development in males and females. It is produced by the testes in boys and in much smaller quantities by the ovaries in girls. Testosterone is also produced by the adrenal glands in both boys and girls.

 

When do you expect results?

24 to 36 Hours

Why Get Tested?

Testosterone test is done to check the abnormal testosterone levels in males and females. Testosterone levels are used to determine erectile dysfunction in men, premature and delayed puberty in men, impotence, infertility, appearance of masculine physical features in females and as an indicator for polycystic ovary syndrome (PCOS). 

The test is also performed to screen for any damages or disease of ovaries, testes,  adrenal or pituitary gland. For females, free testosterone levels are more important to diagnose infertility and PCOD.

Reason to take Testosterone (Free / Total) Test

 Sign and symptoms for males:

  • Reduced or Delayed development of muscle mass
  • Slow or delayed growth of testicles and penis
  • Erectile dysfunction
  • Lack of deepening of the voice or growth of body hair
  • Development of breast tissue
  • Lack of beard and body hair/ excessive hair fall
 
Sign and symptoms for females:
  • Irregular or no menstrual periods/ scanty periods (scanty in flow and or number of days)
  • Skin pigmentation and thickening of skin(acanthosis nigrans)
  • Difficulty in getting pregnant
  • Low voice
  • Male pattern baldness
  • Masculine features such as facial and body hair

 

Preparations Needed for Testosterone (Free / Total) Test

 

No Fasting Required.No other special preparations required.

 

Sample Required?

Specimen type: Serum (Blood Sample) , Specimen collection procedure : Venipuncture - Collection of blood from a vein, usually from the arm.

Testosterone (Free / Total) cost

Testosterone test prices vary from one pathological lab to another. However, the Testosterone test cost is usually not too exorbitant and is easily affordable. The Testosterone test cost offered at home also differ from traditional pathological labs. Portea™ provides this test at a price of Rs 800*.

Understanding results of Testosterone (Free / Total)

Reference RangeInterpretation
8.69 to 54.69 pgml 8.8 - 27.0 pg/m0.0 - 2.57pg/ml 0.29 to 3.18 5.6 - 19.0 pg/ml7. 2 - 23.0 pg/ml 0.0 - 2.03 pg/ml 0.0 - 1.55 pg/ml 0.45 to 3.17 pg/ml 0.46 to 2.48 pg/ml 0.55 to 2.01 pg/ml 0.29 to 1.73 pg/ml 245 to 1836 ng/dL * 181 0 - 20 yrs (Male) FREE TESTOSTERONE 40 - 59 yrs : 60 - 80 yrs 0 - 20 yrs (Female) FREE TESTOSTERONE 60 - 80 yrs (Female) FREE TESTOSTERONE

‘*A Reference range is a set of values which helps the healthcare professional to interpret a medical test. It may vary with age, gender, and other factors. Reference ranges may also vary between labs, in value & units depending on instruments used and method of establishment of reference ranges’

References

  1. http://www.ncbi.nlm.nih.gov/pubmed/18171714
  2. https://labtestsonline.org/tests/testosterone
  3. https://labtestsonline.org/tests/testosterone
  4. http://clinchem.aaccjnls.org/content/54/3/512