CPT/HCPCS
86300
Order Code
CH218
Turnaround Time
24-48 hours
Test Includes
Cancer Antigen 15-3
Specimen Requirements
Specimen Source
Serum
Transport Container
(Specimen Container)
(Specimen Container)
SST (Tiger Top)
Preferred Specimens
Serum
Collection Instructions
(Transport Temperature)
(Transport Temperature)
Refrigerated
Test Details
Methodology
Immunoassay (IA)
Clinical Significance
CA 15-3 may be useful for monitoring patients with metastatic breast cancer and certain ovarian cancers. The CA 15-3 values from sequential samples have a high correlation with the clinical course in most patients with metastatic breast cancer.
Reference Ranges
0 – 25 U/mL