Amputation

Amputation was the removal of a limb.

The leader of the Sycorax cut off the Tenth Doctor's hand with a sword. Since the Doctor had recently regenerated, his hand regrew. (TV: The Christmas Invasion)

After Corakinus amputated one of Ram Singh's legs, the Twelfth Doctor gave him a prosthetic leg from the Lothan. (TV: For Tonight We Might Die)

Invalid appearances
In March 1991, a doctor told Davros, who was only a head at the time, that he would have to amputate on him. (NOTVALID: The Year Ahead?)