In House M.D., what nickname is commonly used for Remy Hadley?

In House M.D., Remy Hadley is commonly known by the nickname “Thirteen.”

The nickname comes from her number in a competition to join House’s diagnostic team. House initially identifies applicants by numbers rather than names, and Hadley is contestant number 13. The label remains attached to her even after she becomes a regular member of the team.

Olivia Wilde played Hadley, who is a physician with an interest in internal medicine. Her storylines include her bisexuality, her relationship with women and men, and her genetic risk for Huntington’s disease. The show uses her nickname as both a practical identifier and a reminder of the unusual way House recruits his fellows.

Thirteen is not Hadley’s surname or a medical rank. Her full name is Remy Beauregard Hadley. The number is also distinct from the numbered candidates who competed for House’s attention during the season 4 team-selection arc.