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HelpTest Code LAB776 Cancer Ag 15-3 (CA-15-3)
Reporting Title
Cancer Ag 15-3, (CA15.3)
Methodology
Roche Diagnostics Electrochemiluminescence Immunoassay
Results from assays produced by different manufacturers may not be comparable
Useful For
Managing breast cancer patients when used in conjunction with clinical information and other diagnostic procedures
Serial testing can assist in early detection of disease recurrence in previously treated stage II and III breast cancer patients
Performing Laboratory
OhioHealth Laboratory Services-RMH Special Testing
Specimen Requirements
Patient Preparation: For 12 hours before this test do not take multivitamins or dietary supplements containing biotin (vitamin B7), which is commonly found in hair, skin, and nail supplements and multivitamins.
Preferred:
Draw Blood in a gold-top serum get tube(s). Spin down and send 1 mL of serum refrigerated. Also acceptable a red top tube.
Alternate:
Plasma ( Lithium Heparin)
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) | 5 days |
| Frozen | 90 days |
Specimen Transport Temperature
Ambient: OK
Refrigerate: OK
Frozen: OK
Reference Values
0-30 U/mL
Day(s) Test Set Up
Monday through Friday Continuous
Saturday and Sunday Day shift only
Test Classification and CPT Coding
86300