What condition is diagnosed in Remy “Thirteen” Hadley in House, M.D.?

Remy “Thirteen” Hadley is diagnosed with Huntington’s disease in House, M.D.

Thirteen is a physician who joins House’s diagnostic team during the show’s later staffing changes. Her nickname refers to the number assigned to her during the team-selection process, rather than to her diagnosis or age.

Huntington’s disease is an inherited neurodegenerative disorder caused by a mutation in the HTT gene. It can affect movement, cognition, and mood, and symptoms commonly appear during adulthood. Thirteen’s family history and genetic testing become important parts of her storyline.

The character’s arc is sometimes confused with the illnesses she investigates in patients or with the autoimmune and neurological conditions featured elsewhere in the series. Her own confirmed diagnosis is Huntington’s disease. The storyline also explores the ethical and emotional consequences of knowing that a serious inherited condition may shape her future.