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| 42150:PROSTATE SPECIFIC ANTIGEN (PSA), DIAGNOSTIC | |||||||||
| Methodology: | Chemiluminescence Immunoassay (CLIA) | ||||||||
| Edit Date: | 12/23/2009 | ||||||||
| Performed: | Daily | ||||||||
| Released: | Same day as tested | ||||||||
| CPT Code: | 84153 | ||||||||
| 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 if not assayed within 48 hours. Allow no more than two freeze/thaw cycles. To assure accurate matching for historical graph, patient’s Social Security Number is requested in addition to date of birth. |
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| Stability: | 48 hours refrigerated or 5 months frozen at -20o C. | ||||||||
| Standard Volume: | 1 mL serum. | ||||||||
| Minimum Volume: | 0.5 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 twice; refrigerated specimen received in laboratory more than 48 hours after collection. | ||||||||
| Reference Range: | |||||||||||||||||||
| 0-4.0 ng/mL | |||||||||||||||||||