Cancer Antigen 15-3

Overview

  • EPIC Code:
  • LAB3079
  • Soft Test Code:
  • C153
  • Send Out Test Code:
  • 5819
Alternate Names
  • CA 15-3
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.


Specimen Collection & Preparation

Specimen Requirements

1.0 mL Serum from a Red Top Tube in a Plastic Vial

Alternate Specimen

1.0 mL Serum in a SST Gold Top Tube

TransportAndStorage

7 days Ambient
7 days Refrigerated
28 days Frozen

Collection Instructions

 

Clinical Interpretation

Reference Range:

< 32 U/mL


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


Production Schedule

Sites Performed
  • Quest - Chantilly
Days Performed
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Departments
  • Sendouts - Clinical
Turn Around Time

1 to 2 days


Coding & Compliance

CDM

00913333


CPT Coding

86300


Medical Necessity May Apply