Last Updated: December 4, 2023 @ 10:13 am | ||
5019 | CA 19-9 | |
Specimen: | Collect: |
Also Acceptable:
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Submit: |
Also Acceptable:
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Special Handling: |
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Stability: | Ambient: 5 Day(s); Refrigerated: 14 Day(s); Frozen: 3 Month(s); Incubated: Unacceptable | |
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Performed: | Mon-Fri | |
Reported: | 1-3 Day(s) | |
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Interpretive Data: | General Reference Range : 0-37.0 U/mL The Roche e801 CA 19-9 electrochemiluminescent immunoassay is used. Results obtained with different assay methods or kits cannot be used interchangeably. CA 19-9 is useful in monitoring pancreatic, hepatobiliary, gastric, hepatocellular, and colorectal cancer. The CA 19-9 assay value, regardless of level, should not be interpreted as absolute evidence of the presence or absence of malignant disease. Biotin in specimens taken from patients on high-dose biotin therapy or supplements may intefere 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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