4306 Cancer Antigen 15-3 (CA 15-3)

Specimen Type Specimen Stability Reference Range
Serum-SST 7 days 2-8°C 0-32.4 U/mL

Specimen Requirements

Preferred amount: 1.0 mL Serum
Minimum amount: 0.5 mL Serum

Method

Immunochemiluminometric (ICMA)

Schedule

Mon-Fri

Turn-Around Time

24hrs

Instructions/Notes

Centrifuge required?: Yes

Clinical Utility

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.

CPT Codes

86300

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