PSA Screen for Adults, 50 Years and Older

Sunquest Code:PSA50  
Epic Code:LAB3696Epic Name:Prostat Spec Antigen Screen
Synonyms:PSA Tumor Marker; Prostatic Specimen Antigen; PSA50
Turnaround Time:Varies by site.

Collection Instructions

Optimal Volume:2.5 mL
Minimum\Peds Volume:0.6 mL
Container:Red or gold (gel), St Johns/St Joseph/Woodwinds - Red (no gel) (Green (lithium heparin, gel), Red (no gel))
Contraindications:Large doses of biotin (10 mg or more per day) may cause clinically significant interference in PSA tumor marker levels. If interference is suspected, it is strongly recommended that biotin is discontinued for at least one week prior to retesting.

Processing and Shipping

Specimen Processing:Centrifuge and aliquot within 4 hours of collection, 1.25 mL, 0.2 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature. Alternatively, ship on dry ice.
Stability:Stability: Refrigerated - 7 days; frozen at -80C - up to 4 months.
Test Performed at or Referral Lab Chemistry  (University of Minnesota Health Maple Grove Clinics, Range, UMMC-East Bank, Oxboro Bloom, Lakes, Northland, M Health Clinic and Surgery Center, Grand Itasca, St. Joseph's)


Reference Range:0-4 ug/L
Use:Elevated in many patients with prostate cancer, as well as in some patients with prostatic hypertrophy.

Click HERE to Report test errors or omissions.
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