|Last Updated: December 5, 2023 @ 10:13 am|
|Stability:||Ambient: 2 Hour(s); Refrigerated: 5 Day(s); Frozen: 6 Month(s); Incubated: Unacceptable|
|Interpretive Data:||General Reference Range : 0.000-4.000 ng/ml|
The Roche PSA electrochemiluminescent immunoassay is the test methodology used. Results obtained with different assay methods or kits cannot be used interchangeably. The Roche PSA method is approved for use as an aid in the detection of prostate cancer when used in conjunction with a digital rectal exam in men age 50 and older. The Roche PSA is also indicated for the serial measurement of PSA to aid in the management of cancer patients. Elevated concentrations of PSA in serum are generally indicative of a pathologic condition of the prostate (prostatitis, benign hyperplasia or carcinoma).
Biotin in specimens taken from patients on high-dose biotin therapy or supplements may interfere with this test and cause inaccurate test results. It is recommended that for patients receiving therapy with high biotin doses (> 5 mg/day), no laboratory test specimen should be collected until at least 8 hours after the last biotin administration.
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