ClarilabCancer screening
PSA test
Also called prostate specific antigen
A protein made by the prostate.
- Typical range
- Below about 4 ng/mL (lower for younger men).
- Preparation
- Avoid ejaculation and cycling for 48 hours before.
- Usual recheck
- About 3 months when out of range
Why it's done
Prostate cancer screening for men, usually from 50 (earlier with family history), after discussing with a doctor.
What a high result can mean
Can be cancer but is more often an enlarged prostate or infection. Further tests decide.
Got a report with PSA?
Upload the PDF to Clarilab: it reads the values in your browser, flags anything out of range and tracks your results over time.