This test is used to monitor breast cancer patients who are undergoing current treatment for the disease as well as to check for reoccurrence. A significant deviation from the normal range may require further evaluation by your physician.
Cancer Antigen (CA) 15-3
This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin (also termed as vitamin B7 or B8, vitamin H or coenzyme R). It is recommended to stop biotin consumption at least 72 hours prior to the collection of specimen. Estimated turnaround for results is 3 business days. If confirmation testing is required, the estimated time may be extended.