CA 15-3 Assay
Order Name
CA15-3
Test Number: 2024000
Revision Date 04/17/2019
Test Number: 2024000
Revision Date 04/17/2019
| Test Name | Methodology | LOINC Code |
|---|---|---|
|
CA 15-3 Assay
|
Chemiluminescence Assay | 6875-9 |
| SPECIMEN REQUIREMENTS | ||||
|---|---|---|---|---|
| Specimen | Specimen Volume (min) | Specimen Type | Specimen Container | Transport Environment |
| Preferred | 2mL (1mL) | Serum | Clot Activator SST | Refrigerated |
| Alternate 1 | 2mL (1mL) | Plasma | Lithium Heparin PST (Light Green Top) | Refrigerated |
| Instructions | Separate from cells within 2 hours after collection. Stability: Ambient 1 day. Refrigerated 7 days. Frozen > 7 days. |
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| GENERAL INFORMATION | |
|---|---|
| Testing Schedule | Mon - Fri |
| Expected TAT | 1-3 days |
| Clinical Use | Measurements of CA 15-3 in women with treated carcinoma of the breast may be useful for predicting early recurrence. The FDA has approved CA 15-3 for serial testing in women with prior stage II or III breast cancer who are clinically free of disease. |
| CPT Code(s) | 86300 |
| Internal Comments | 3/7/17 - Updated transport temp and stability info to: Specimen Stability: Room temperature: 8 hours, Refrigerated: 24 hours, Frozen: 30 days- JLS 7/14/ - Ryan update stability to: Stability: Room temperature: 8 hours, Refrigerated: 24 hours, Freeze if testing cannot be started within 24 hours - JK 5/22/18 removed Re-baseline Order Code ( 2024001 ) Re-Baseline: CA 15-3 / Result Code ( 2024001 ) RB CA 15-3 6/4/18 updated stability to Stability: Ambient 1 day. Refrigerated 7 days. Frozen > 7 days. Transport Refrig or Frozen - JK 6/14/18 Stability: Room temperature: 1 day. Refrigerated 7 days. Frozen > 7 days. - Stability: Ambient 1 day. Refrigerated 7 days. Frozen > 7 days. 4/17/19 changed trans temp from ref/froz to just ref - JK |
| Lab Section | Chemistry |