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

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

Specimen Requirements

Specimen Type: Serum
Container: 1 Serum Separator Tube (SST)
Temperature: Refrigerated
Preferred Vol: 1.00 mL
Min Vol: 0.50 mL

Method

Immunochemiluminometric (ICMA)

Schedule

Mon-Fri

Turn-Around Time

24hrs

Instructions/Notes

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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