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Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog
CA 15-3 |
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ORDERING INFORMATION: |
Geisinger Epic Procedure Code: LAB1931 Geisinger Epic ID: 47147 | |
SPECIMEN COLLECTION |
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Specimen type: |
Serum | |
Preferred collection container: |
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Alternate Collection Container: |
6 mL red-top (plain, non-serum separator) tube
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Specimen required: |
1 mL serum; minimum 0.5 mL | |
| SPECIMEN PROCESSING |
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Specimen processing instructions: |
Centrifuge and aliquot. | |
Transport temperature: |
Room temperature. | |
Specimen stability: |
Room temperature: 7 days. Refrigerated: 7 days. Frozen: 28 days. | |
Rejection criteria: |
Gross hemolysis. Gross lipemia. | |
TEST DETAILS |
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Additional information: |
This test is performed using the Siemens (Bayer) Chemiluminescent method. Values obtained from different assay methods cannot be used interchangeably. CA 15-3 levels, regardless of value, should not be interpreted as absolute evidence of the presence or absence of disease. | |
CPT code(s): |
86300 | |
| Note: The billing party has sole responsibility for CPT coding. Any questions regarding coding should be directed to the payer being billed. The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only. | ||
Methodology: |
Immunoassay |
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Synonyms: |
Quest test code 5819, Cancer marker 15-3 CM153
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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 | |