Investigation Name:Testosterone – Male

Accreditation:UKAS Accredited ISO15189:2022 On scope

Pathology Laboratory:Clinical Chemistry/ Biochemistry

Requestable Seperately?No

Part of Profile:No

Lower Reference Range Limit:9.1

Upper Reference Range Limit:31.8

Units:nmol/l

Minimum Sample Volume:Adult: 1mL
Infant 0.5mL

Expected Turnaround Time:Inpatients:4 hrs.
Outpatients:1 day (from receipt)

Test Code:TEST

Sample Type:

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:Borderline low testosterone in men should be confirmed by 09.00am serum testosterone Haemolysed, icteric and lipaemic sera cannot be analysed.
If patient <16yrs, please send lithium heparin sample (green top).

Referred to Another Laboratory?No

Contact Number:01902 307 999 Ext 88266