42147:PROSTATE SPECIFIC ANTIGEN (PSA), FREE & TOTAL RATIO
Author PeaceHealth Laboratories
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| Methodology: |
Chemiluminescence Immunoassay (CLIA) |
| Edit Date: |
12/23/2009 |
| Components: |
Prostate Specific Antigen (PSA); Free PSA Percentage |
| Performed: |
Daily |
| Released: |
Same day as tested |
| CPT Code: |
84153 / 84154 |
| Specimen Collection Details |
| Collection: |
One 7.5 mL serum separator tube (SST). Also acceptable: One 5 mL red top tube. Specimen should be collected before such prostatic manipulations as DRE, prostatic massage, TRUS, or prostatic biopsy. |
| Handling: |
Allow to clot, centrifuge and separate serum from cells within 3 hours. Refrigerate at 2-8o C. Freeze at -20o C or colder if specimen cannot be assayed within 48 hours. Keep frozen. |
| Stability: |
48 hours refrigerated or 5 months frozen at -20o C. |
| Standard Volume: |
2 mL serum. |
| Minimum Volume: |
1 mL serum. |
| Transport: |
Refrigerated; or frozen on dry ice. |
| Comments: |
This is a Hybritech 3rd Generation (Ultrasensitive) equimolar Total PSA with a clinical sensitivity of 0.008 ng/mL. |
| Rejection Criteria: |
Plasma; specimen frozen and thawed more than once.
MEDICARE MAY REQUIRE A SIGNED ADVANCE BENEFICIARY NOTICE (ABN) FOR THIS TEST |
| See individual components. |
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