Free & Total PSA

CERNER / EPIC MNEMONIC: FREE PSA
POE DESCRIPTION: FREE PSA
TEST INFORMATION:

This test includes a total PSA, free PSA and % free PSA calculation.  This test is recommended when a patient`s total PSA is 4.0 ng/mL or greater. The test is useful in differentiating BPH from possible carcinoma when total PSA is elevated.

DAYS PERFORMED:

Specimen accepted daily, 24 hours

TURNAROUND TIME:

8 hours

CONTAINER TYPE:

SST tube

SPECIMEN REQUIREMENTS:

4.0 mL blood (2.0 mL serum)

REJECTION CRITERIA:

Excessive hemolysis, chylous serum

MINIMUM VOLUME: 1.0 mL blood (0.5 mL serum)
METHODOLOGY:

Chemiluminescent Microparticle Immunoassay (CMIA)

TEST SYNONYM(S):Prostate Specific Antigen, free & total; PSA, free & total; Free PSA