Name: CA 15-3
Test Name: CA 15-3
Health Link Test Code: XCA153
LIS Test Code: CA153
CPT Code(s): 86300
Methodology: Chemiluminescent Immunoassay
Days Performed: Daily, 24 hours.
In-Lab Turnaround Time: 4 hours.
Collection Container: Red cap with yellow ring (SST)
Also Acceptable: Red top
Collection Volume: 1 mL
Pediatric Collection Volume: 0.5 mL
7 days removed from cells, clot, or gel
24 hours on gel
Sample Analyzed: Serum
Testing Volume: 0.5 mL
Pediatric Testing Volume: 0.15 mL
Centrifuge. If a complete barrier has not formed, transfer cell-free serum to plastic vial. Refrigerate.
Transport specimen to the laboratory. Transport with coolant pack if coming from clinic location.
0 days and up: 0-31 U/mL
Interpretation Type: Reference Interval
Effective Date of Reference Range: Mon, 10 Aug 2015 00:00:00 CDT
The ARCHITECT CA 15-3 assay is to be used as an aid in the management of Stage II and III breast cancer patients. The ARCHITECT CA 15-3 assay should not be used as a cancer screening test.
Results may be affected if patient has developed heterophillic antibodies due to exposure to animal based protein products.
A high dose hook effect is not seen up to 22,000 U/mL.
The Abbott ARCHITECT CA 15-3 method is used. Results obtained with different assay methods or kits cannot be used interchangeably.