Test Information:
Cancer Antigen 15-3 (CA 15-3) is used as an aid in the management of Stage II and III breast cancer patients. Increasing and decreasing values of CA 15-3 correlates with disease progression and regression, respectively. Elevated values can also be seen in individuals with nonmalignant conditions such as cirrhosis, hepatitis, autoimmuno disorders, and benign disease of the ovary and breast.
Specimen Container:
Gold Top SST Tube (with clot activator) or Red Top Tube (Plain) – USE PLASTIC TUBE
Specimen Type:
Serum
Required Volume:
2 mL
Patient Preparation:
No Patient Preparation
Notes:
N/A (Not Applicable)
Storage & Stability
(Before Processing)
- Storage: 2 to 8°C
Stability: 5 days - Storage: 20 to 25°C
Stability: 48 hours - Storage: – 20°C
Stability: 90 days
FREEZE ONLY ONCE!
Transport Temperature:
Ref (2˚C – 8˚C)
Test Category:
Routine
Test Schedule:
Daily
Results Availability:
Within 4 hours