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Test Directory

7391 PSA, Free Total

Specimen Type
Specimen Stability
Reference Range
Serum
5 Days, Ambient
2 Months, Frozen
14 Days, Refrigerated
See Report

Specimen Requirements

Specimen Type: Serum
Container: 1 Serum Separator Tube (SST)
Temperature: Refrigerated
Preferred Vol: 2.00 mL
Min Vol: 1.00 mL

Method

Immunochromatographic Membrane Assay (ICMA)

Schedule

Monday - Sunday

Turn-Around Time

Send-Out

Instructions/Notes

Clinical Utility

The percent free PSA is inversely proportional to the risk of prostate cancer. Elevated total PSA and low % free PSA indicate an increased likelihood of finding prostate cancer. Conversely, low total PSA and elevated % free PSA indicate a decreased likelihood of finding prostate cancer. Serial measurements of PSA are useful in determining recurrence of prostate cancer after treatment.

CPT Codes

84153, 84154

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