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Have a question about EpiSwitch Checkpoint-inhibitor Response Test (CiRT)?

Below are some frequently asked questions about EpiSwitch CiRT. For any other questions, please complete the form to the right and we will be in touch with you shortly.

We are also available by phone at:


Monday through Friday from 8 AM to 6 PM EST

If you are in the UK, please contact us at 01865 504932

Frequently Asked Questions About EpiSwitch® CiRT

Contact Oxford BioDynamics at 888-236-8896 or complete the webform and setup an account today. Alternatively, send in a completed EpiSwitch CiRT Requisition Form via fax at 240-913-5681 and we will contact you promptly. 

EpiSwitch CiRT results are provided as a report that is delivered to the ordering physician via secure electronic communication or fax. Results will be available in approximately 3-5 days after the lab receives the patient's blood sample.

EpiSwitch CiRT results are available in approximately 3-5 days after receipt of the patient’s blood sample.

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