Last Modified:
6/16/2022 7:51:18 AM
Medicare Medical Necessity Restrictions May Apply
Medical Necessity Documentation:
Client Notes:
Patient Preparation:
Specimen Requirements:
1.0 mL Serum from a Red Top Tube in a Plastic Vial
Collection Instructions:
Minimum Volume:
0.5 mL Serum
Transport & Storage: Temperature/Stability:
7 days Ambient
7 days Refrigerated
28 days Frozen
Rejection Criteria:
Gross hemolysis • Gross lipemia
Reference Range:
< 32 U/mL
Critical Ranges:
Test Comments:
This test was 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.
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.
Documentation:
Limitations: Benign diseases of the breast and liver may cause elevated results
Custom Panel:
No
PRODUCTION SCHEDULE
Turn Around Time:
1 to 2 days
Days Performed:
Monday, Tuesday, Wednesday, Thursday, Friday, Saturday
Sites Performed:
Quest - Chantilly
PHL Test Code:
C153
EPIC Test Code:
LAB3079
Send Out Test Code:
5819
Alternate Test Names:
CA 15-3
Included Tests:
CPT Coding:
86300
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