Tests:CA 19-9: Difference between revisions
Tests:CA 19-9
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fixed sample types etc |
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|Test Availability | |Test Availability | ||
| | |Tested Monday, Wednesday and Friday afternoons. | ||
Please contact the laboratory if testing is required urgently | |||
|- | |- | ||
|Turnaround Time | |Turnaround Time | ||
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|Stability – Add test | |Stability – Add test | ||
| | |24 hours | ||
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! colspan="2" | | ! colspan="2" | | ||
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|Specimen | |Specimen | ||
|Serum | |Serum | ||
|- | |- | ||
|Preferred | |Preferred | ||
| | |<span style="background: #fbec5d"> Yellow-Top</span> SST or <span style="background:#e30022"> Red-Top </span> tube | ||
|- | |- | ||
|Acceptable | |Acceptable | ||
| | | | ||
|- | |- | ||
|Unacceptable | |Unacceptable | ||
| | |Plasma | ||
|- | |- | ||
|Specimen Transportation | |Specimen Transportation | ||
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|Paediatric Requirements | |Paediatric Requirements | ||
|0.5 <span style="background:#e30022"> Red </span> microtainer | |0.5 mL <span style="background:#e30022"> Red </span> microtainer | ||
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! colspan="2" | | ! colspan="2" | | ||
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|Aliquot Transportation | |Aliquot Transportation | ||
|Samples should be separated from red cells within 24hrs | |Samples should be separated from red cells within 24hrs of collection. | ||
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! colspan="2" | | ! colspan="2" | | ||
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|Test Method | |Test Method | ||
|Abbott | |Abbott Alinity CI analyser using Abbott reagents. | ||
CMIA method | CMIA method | ||
Revision as of 10:22, 20 August 2025
Overview | |
|---|---|
| Department | Biochemistry |
| Test Code | C199 |
| Synonyms | C199
C19-9 19-9 |
| Test Availability | Tested Monday, Wednesday and Friday afternoons.
Please contact the laboratory if testing is required urgently |
| Turnaround Time | 1 – 4 days |
| Stability – Add test | 24 hours |
Specimen Requirements | |
| Specimen | Serum |
| Preferred | Yellow-Top SST or Red-Top tube |
| Acceptable | |
| Unacceptable | Plasma |
| Specimen Transportation | |
| Paediatric Requirements | 0.5 mL Red microtainer |
Aliquot Requirements | |
| Sample | Serum |
| Preferred Volume | >500 uL |
| Minimum Volume | 200 uL |
| Aliquot Transportation | Samples should be separated from red cells within 24hrs of collection. |
Clinical Information | |
| Reference Intervals | <37 U/mL |
| Test Method | Abbott Alinity CI analyser using Abbott reagents.
CMIA method |
| Advanced Notice | |
| Patient Preparation | |
Comments | |
| Used for monitoring gastrointestinal malignancies
For the serial monitoring of tumours, tumour markers should be tested in the same laboratory. | |