Surgical Suite 3 was a room in the hospital of Starbase 515 in 2365. This operating room was where surgeons performed cardio surgery on patients. The room's number was 03-1452. This suite was listed on the directory for biomedical and health care services.
In 2365, Captain Jean-Luc Picard received a replacement artificial heart, a type of parthenogenetic implant, in this room. (TNG: "Samaritan Snare", set artwork)