Test Category: Biochemistry
Investigation Name:Testosterone – Male

Accreditation:UKAS Accredited ISO15189:2022 On scope
Pathology Laboratory:Clinical Chemistry/ Biochemistry
Requestable Seperately?Yes
Lower Reference Range Limit:9.1 nmol/L
Upper Reference Range Limit:31.8 nmol/L
Units:nmol/L
Minimum Sample Volume:Adult: 1 mL
Infant 0.5 mL
Expected Turnaround Time:Inpatients: 4 hrs.
Outpatients:1 day (from receipt)
Test Code:TEST
Sample Type:
Serum Gel Tube (Gold top)If patient <16yrs, please send lithium heparin sample (green top).
Maximum Add on Time:3 days
Complex Reference Range:Adult
16 - 50yrs 8.3-30.2 nmol/L
≥50 yrs 7.7-24.8 nmol/L
Paediatric male testosterone reference ranges (nmol/L):
6 - 24m: <1.3
2 - 3yrs: <0.52
4 - 5yrs: <0.66
6 - 7yrs: <0.45
8 - 9yrs: 0.05 - 0.28
10 - 11yrs: 0.08 - 5.7
12 - 13yrs: 0.1 - 21.5
14 - 15yrs: 1.1 - 25.4
Collection Conditions / Other Information:Haemolysed, icteric and lipaemic sera samples are unsuitable for analysis .
Referred to Another Laboratory?No
Site Sample Tested:All acute sites
Contact Number:01902 307 999 Ext 88266