Carbohydrate Antigen CA 19-9 (CA 19 9)
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| Synonyms:
| CA 19-9 |
| Specimen: | Blood; (1) SST (serum separator) or Red (no preservative) top vacutainer tube. |
| Volume: | Full primary tube |
| Minimum Volume: | 0.4 mL serum |
| Collection: | If tube other than an SST is collected, transfer serum to a tightly capped plastic aliquot tube within 2 hours of collection for transport.
Refrigerate at 2-8°C.
|
| Rejection Criteria: | Plasma specimen; improper labeling. |
| Reference Range: | 0-35 units/mL |
| Methodology: | Immunochemiluminometric assay (ICMA) |
| Test Use: | Monitor gastrointestinal, pancreatic, liver and colorectal malignancies |
| Additional Information: | CA 19-9 is not a screening test.
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| Testing Includes: | Specimen sent to LabCorp. LabCorp test # 002261. |
| Testing Facility: | LabCorp |