PSA, Free and Total, Grand Itasca

Abbrev Code:GHPSA   
Order Code:LAB7047Order Name:Prostatic Specific Antigen GH
CPT Codes: 84153 x1
Test Includes:PSA Tumor Marker; PSA Free; PSA Percent Free
Turnaround Time:Test performed daily; results are reported the same day.

Collection Instructions

Optimal Volume:2.5 mL
Minimum\Peds Volume:0.6 mL
Container:Red or gold (gel)
Alternate Containers: Red (no gel)
Collection Instructions:Grand Itasca: Do not collect in green (lithium heparin) gel or green (lithium heparin) on ice.
Contraindications:Large doses of biotin (10 mg or more per day) may cause clinically significant interference in prolactin 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:7 days at refrigerated temperature; up to 4 months frozen at -80 degrees C.
Test Performed at or Referral Lab Chemistry  (Grand Itasca)


Reference Range:Total: Less than 3.1 ng/mL
Free: Less than 1.0 ng/mL
Use:Elevated in many patients with prostate cancer, as well as in some patients with prostatic hypertrophy. Primarily used to track progression of prostatic carcinoma, monitor therapeutic response, and identify recurrence of disease. Half-life is approximately 2 days.

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