Reference Interval:
Adult Males: 260 -740 pmol/L
Adult Female: 3-37 pmol/L
Male Comment:
Free testosterone calculated using the Vermeulen equation (Ann Clin Biochem 2006; 43:389-397)
This reference interval is based on the study from Andrology Australia in eugonadal young men (Sikaris KA et al, J Clin Endocrinol Metab 2005; 90:5928-36.) There is an age related fall in free testosterone in healthy older men, whose calculated free testosterone may be as low as 140pmol/L.
Clinical correlation is required for interpretation of results
Female Comment:
Free testosterone calculated using the Vermeulen equation (Ann Clin Biochem 2006; 43:389-397)
This reference interval is based published data (Davison SL et al. JCEM 2005 Jul;90(7):3847-53.
Clinical correlation is required for interpretation of results |