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
Methodology:Chemiluminescence
CPT Code:G0103
Turnaround Time:Varies by site.


Collection Instructions

Specimen:Blood
Optimal Volume:2.5 mL
Minimum\Peds Volume:0.6 mL
Container:Red or gold (gel) (Green (lithium heparin, gel), Green (lithium heparin) on ICE, 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.
Test Performed at or Referral Lab Chemistry  (University of Minnesota Health Maple Grove Clinics, Fairview Range - FRMC, UMMC-East Bank, Oxboro Bloom, Fairview Lakes - FLMC, Fairview Northland - FNMC)


Interpretive

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.
*If no email program is associated with this computer, please contact:
systemlabguide@fairview.org for TestID: 3236"