What medical specialty is associated with Gregory House’s department in House M.D.?

Gregory House leads the Department of Diagnostic Medicine in House M.D. The department handles difficult cases that other physicians have been unable to solve.

House’s team approaches illness as a process of elimination. They gather patient histories, order tests, inspect symptoms, and repeatedly revise their working diagnosis when new evidence appears. This format gives the series its medical-mystery structure.

Diagnostic medicine is a real area of clinical practice, although the show dramatizes the speed, autonomy, and complexity of House’s cases. In ordinary hospitals, diagnosis is usually shared across specialties, and patients may be referred to specialists for treatment after the underlying problem is identified.

House himself has a background in both infectious disease and nephrology, but his hospital role is head of diagnostic medicine. Those related specialties are therefore common sources of confusion. The department’s unusual status also distinguishes House’s team from the hospital’s standard clinical departments.