PSA Diagnostic Total w/Rfx Free PSA (PSR)

Department: Chemistry
Test Synonym(s): LAB4157, PSR, PSA, Total w/Reflex Free PSA, TPSAR
Test Components: PSA, Reflex; PSA, Free Rfx (if indicated); PSA, PCT Free, Rfx (if indicated)
CPT Codes: 84154 (free); 84153 (total)
Methodology: Abbott Chemiluminescent Microparticle Immunoassay (CMIA)
Reference Range: See Interpretive Table that comes with report
Tube Type: Gold top tube
Specimen: Serum
Pediatric Requirements: 2 Gold top microtainers
Volume: 1 mL serum
Minimum Volume: 1 Gold top (Pediatric = 2 Gold top microtainers)
Temperature: Refrigerated
Stability: Refrigerated (2-8 C): 24 hours; Frozen (-20 C): 1 year
Reasons for Rejection: Incorrect specimen; Incorrect storage/transport
Days Performed: Daily
Times Performed: Continuous
TAT: 4 hours
Significance: Specimens should be drawn prior to digital rectal exam and/or prostatic manipulation or biopsy. Valid for males between 40-75 years and a Total PSA bewtween 2.5-10 ng/mL and not history of prostate cancer. Patient results determined by assays using different manufacturers for methods may not be comparable.
Special Instructions: See Interpretive Table that comes with report

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