Free Testosterone Calculation

What calculations do labs use for free testosterone when measuring SHBG and total testosterone, particularly when the LIS is performing the calculation? One recommendation was to use the formulas already implemented in another LIS equal to the LIS used by the original poster’s lab. Many respondents also suggested using a downloadable PDF calculator, while another respondent provided her lab’s formula based on the Vermeulen calculation.


Lab Tests Online

AACC's labtestsonline.org helps patients better understand the many clinical laboratory tests that play a critical role in diagnosing, monitoring, and treating a broad range of conditions, including cancer, diabetes, heart disease, and infectious diseases. Lab Tests Online content is peer-reviewed and is available in 10+ languages through local sites around the globe.


Adaptive Online Learning for Lab Professionals

AACC Learning Lab is designed to help laboratory medicine experts expand their knowledge. Developed in collaboration with NEJM Group and Area9 Learning, this program uses revolutionary adaptive technology to deliver precisely the gold standard lab medicine content the learner needs.

About AACC

AACC is a global scientific and medical professional organization dedicated to clinical laboratory science and its application to healthcare. Our leadership in education, advocacy and collaboration helps lab professionals adapt to change and do what they do best: provide vital insight and guidance so patients get the care they need.