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Vanderbilt Pathology Laboratory Services

Test Directory



PROSTATE SPECIFIC ANTIGEN FREE/TOTAL (PSF)

Department: Core Lab
Test Synonym(s): PSA F/T, PSF
CPT Codes: 84154 (free); 84153 (total)
Methodology: Chemiluminescent Immunoassay
Reference Range: See Interpretive Table
Tube Type: Red top tube
Specimen: Serum
Volume: 5 mL
Minimum Volume: 1 mL
Temperature: Refrigerated
Stability: 2-8 C: 1 day; -20 C: 2 months
Reasons for Rejection: Incorrect specimen type
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 between 4 - 10 ng/mL and no history of prostate cancer.
Special Instructions: See Interpretive Table.

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