Pathology Handbook

 New search
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # ALL

Testosterone

Laboratory:Clinical Biochemistry
Test Code:TES
Specimen Types:Serum
Container Types:
SST
Collection & Request Instructions:

Note: For retrospective test requests;

Serum stable for up to 7 days at either 2-8C or frozen (-20C or colder).

Avoid more than one freeze/thaw cycle.

Transport Instructions between Sites and/or Laboratories:Room Temperature
Assay Frequency:Twice weekly
Additional Notes:

Reference Interval:

Source- Abbott Alinity i 2nd Generation Testosterone kit insert (Ref 07P68 June 2017).

Adult Males:      8.0 - 30.0  nmol/L

Adult Females: 0.4 - 2.0  nmol/L

 

 

Studies show testosterone levels in women falling with age. This process starts before the menopause and continues further after the menopause (Yeap et al. JCEM 97: 408-415, 2012). In healthy older men testosterone levels also drop mildly with age (Yeap et al. JCEM 97: 4030-4039, 2012).