Tests:CA 19-9: Difference between revisions
Tests:CA 19-9
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== Specimen Requirements == | == Specimen Requirements == | ||
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|Specimen | |Specimen | ||
|Serum | |Serum | ||
Plasma | Plasma | ||
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|Preferred | |Preferred | ||
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| | |Specimen Transportation | ||
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|Paediatric Requirements | |||
|0.5 <span style="background:#e30022"> Red </span> microtainer | |0.5 <span style="background:#e30022"> Red </span> microtainer | ||
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== Aliquot Requirements == | == Aliquot Requirements == | ||
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|Sample | |Sample | ||
|Serum | |Serum | ||
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Revision as of 13:17, 20 March 2025
Overview | |
|---|---|
| Department | Biochemistry |
| Test Code | C199 |
| Synonyms | C199
C19-9 19-9 |
| Test Availability | Tuesdays and Fridays
Contact the laboratory if testing required urgently. |
| Turnaround Time | 1 – 4 days |
| Stability – Add test | |
Specimen Requirements | |
| Specimen | Serum
Plasma |
| Preferred | 7mL Red-Top |
| Acceptable | SST Yellow-Top |
| Unacceptable | |
| Specimen Transportation | |
| Paediatric Requirements | 0.5 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 Architect 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. | |