Pathology Handbook

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Testosterone

Laboratory:

Clinical Biochemistry

Test Code:

TES

Specimen Types:

Blood

Container Types:

SST

Adults Volume or Mass:

5 mL

Minimum/Paediatric Volume or Mass:

1 mL

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:

24/7

MBS Rebatable:

Yes

MBS Item No.:

66695

Billing Information:

Also MBS Item Nos 66696, 66698, and 66704

Additional Notes:

Test is performed on Abbott Alinity

Reference Interval:

Source- Abbott Alinity i 2^nd 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).