Cancer Antigen (CA) 27.29 (CA 27-29)
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| Synonyms:
| CA 27.29 |
| Specimen: | Blood, (1) SST (serum separator) or Red (no preservative) top vacutainer tube. |
| Volume: | Full primary tube |
| Minimum Volume: | 0.3 mL s0.3 mL (Note: This volume does not allow for repeat testing.) |
| 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.
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| Rejection Criteria: | Plasma specimen; improper labeling. |
| Reference Range: | 0-38.6 units/mL |
| Methodology: | Immunochemiluminometric assay (ICMA) |
| Test Use: | Management of patients with metastatic carcinoma of the breast. |
| Additional Information: | CA 27-29 is a highly polmorphic glycoprotein belonging to the mucin family and is the product of the muc-1 gene. It is most useful using serial measurements to monitor both the course of disease and response to therapy. |
| Testing Includes: | Specimen sent to LabCorp. LabCorp test # 140293. |
| Testing Facility: | LabCorp |