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PSA
(a.k.a Prostatic Specific Antigen)
minimum sample volume required ~ 5ml
Test Code: PSA
Tube type: SST
Other acceptable tube types
None
Special instructions
Minimum retesting interval
Test should not be repeated within 28 days.
Age-specific threshold for people with possible symptoms of prostate cancer:
<40 years: Use clinical judgement
40 - 49 years: <2.5
50 - 59 years: <3.5
60 - 69 years: <4.5
70 - 79 years: <6.5
>79 years: Use clinical judgement
Units
µg/L
Turnaround Time
1
day
Department: Biochemistry
Clinical Application
For diagnosis: Please refer to the threshold ranges quoted above.
For monitoring: Review medical records for management plan.
Webpage updated: July 2026.
