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Test Code FTPSA PSA, Free And Total

Specimen Type

Blood

Preferred Collection Container

SST

Collection Volume

5 mL

Minimum Collection Volume

1 mL

Collection Instructions

Routine venipuncture, collect blood in SST or red top. Centrifuge and aliquot into plastic vial, within 3 hours of collection, and refrigerate.

Rejection Criteria

Specimen not centrifuged within 6 hours of collection; Inadequate labeling, improper collection, gross hemolysis.

Specimen Storage and Stability

Separate serum and freeze in plastic vial if specimen cannot be processed within 24 hours.

Turn Around Time

1 Day

Lab Department

Chemistry

Alias

PSA, Free; Free Prostate Specific Antigen, Serum; Free and Total PSA; Free PSA;

Ordering Info

TEST INCLUDES:
PSA, Free PSA and calculated Percent Free PSA

EPIC Code

LAB171

Acceptable Collection Container

SST, R-NoGel

Testing Volume

0.5 mL (500 ul)

Patient Preparation

Avoid palpation of the prostate for 2 weeks prior to the test. Rectal examination within 47 hours of specimen collection may cause elevation of results.

Additional Information

Interfering substances: Anticoagulants.

Day(s) and Time(s) Performed

Monday through Sunday, 24 hours