Prostate-Specific Antigen

Prostate-Specific Antigen is a topic covered in the Davis's Lab & Diagnostic Tests.

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Synonym/Acronym:
PSA.

Rationale
To assess prostate health and assist in diagnosis of disorders such as prostate cancer, inflammation, and benign tumor and to evaluate effectiveness of medical and surgical therapeutic interventions.

Patient Preparation
There are no food, fluid, activity, or medication restrictions unless by medical direction.

Normal Findings
Method: Immunoassay.

Conventional UnitsSI Units (Conventional Units × 1)
Total PSA
0–4 ng/mL0–4 mcg/L
Some guidelines recommend a lower range: 0–2.5 ng/mL.

Critical Findings and Potential Interventions
N/A

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