- C199
CA 19-9, Cancer Antigen - GI
Specimen:
Test Code
C199
Specimen Name
CA 19-9, Cancer Antigen - GI
Collect
SST-Serum OR PST (Green) tube
Submit
0.5 mL (Min: 0.3 mL) Serum or plasma, Refrigerated
Special Handling
Serum: The red or gold stopper tube should be allowed to clot before centifuging. Specimens should be centrifuged at minimum 2500 RPM for minimum 5 minutes. Serum should be separated from the cells promptly to an appropriately labeled tube, unless using SST tube.
Plasma: Mix anticoagulant with specimen adequately. Specimens should be centrifuged at minimum 2500 RPM for minimum 5 minutes. Remove plasma promptly from cells to an appropriately labeled tube, unless using PST tube. Centrifuge and remove serum or plasma from the cells with 2 hours of collection. Refrigerated 48 hours then specimen must be FROZEN
Plasma: Mix anticoagulant with specimen adequately. Specimens should be centrifuged at minimum 2500 RPM for minimum 5 minutes. Remove plasma promptly from cells to an appropriately labeled tube, unless using PST tube. Centrifuge and remove serum or plasma from the cells with 2 hours of collection. Refrigerated 48 hours then specimen must be FROZEN
Rejection Criteria
Avoid hemolyzed and lipemic specimens.
Stability
Plasma: Room temperature for 8 hours
Refrigerator temperature for 0-48 hours
Freezer temperature for 3 months
Serum: Room temperature for 8 hours
Refrigerator temperature for 0-48 hours
Freezer temperature for 3 months
Methodology
—
Performed
Performed Sunday through Saturday
Reported
1-3 days
CPT Codes
- 86301
Components
—
Additional Information
Serial monitoring should use only one method.
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Common Lab Definitions
- Serum
- Plasma
- STT