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HelpTest Code CA153M Cancer Antigen 15-3 (CA 15-3), Serum
Additional Codes
| Mayo | CA153 |
| Epic ID | LAB776 |
Specimen Type
SerumSpecimen Required
Patient Preparation: For 12 hours before specimen collection, patient should not take multivitamins or dietary supplements (eg, hair, skin, and nail supplements) containing biotin (vitamin B7).
Supplies: Sarstedt 5 mL Aliquot Tube (T914)
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Specimen Minimum Volume
0.75 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) | 7 days |
| Frozen | 90 days |
Transport refrigerated.
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | OK |
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Method Name
Electrochemiluminescence Immunoassay (ECLIA)
Useful For
Managing breast cancer patients when used in conjunction with clinical information and other diagnostic procedures
Serial testing to assist in early detection of disease recurrence in previously treated stage II and III breast cancer patients
Monitoring response to therapy in metastatic breast cancer patients
This test is not useful as a cancer screening test.
Day(s) Performed
Monday through Saturday
Report Available
1 to 3 daysReference Values
Males: <30 U/mL (use not defined)
Females: <30 U/mL
CPT Code Information
86300