aka PSA · Prostate Specific Antigen · Total PSA · Prostate Cancer Screening · LOINC:2857-1
Screens for prostate cancer and monitors treatment. Elevated levels require further evaluation.
Avoid ejaculation for 48 hours. No digital rectal exam or prostate manipulation for 1 week. No vigorous cycling.
Normal ranges may vary between labs. Always consult your doctor for interpretation.