Yervoy (ipilimumab) is a prescription drug used to treat certain types of cancer. According to the official website of Bristol Myers Squibb, the manufacturer of Yervoy, they offer a program called BMS Access Support that provides financial assistance to eligible patients who are prescribed Yervoy. The program offers co-pay assistance, free medication, and other support services to help patients access the medication they need. However, it is important to note that the availability of this program may vary depending on the insurance plan and other factors. Therefore, it is recommended that patients check with their insurance provider to determine if they accept the Yervoy discount.

Sources:
[1] https://www.drugpatentwatch.com/p/biologics/tradename/YERVOY
[2] https://www.drugs.com/price-guide/yervoy
[3] https://www.bms.com/patient-and-caregivers/get-help-paying-for-your-medicines.html