Which medical specialty is Gregory House known for in House M.D.?

Gregory House is known for diagnostic medicine in House M.D.

House leads the Department of Diagnostic Medicine at the fictional Princeton-Plainsboro Teaching Hospital. His team handles patients whose symptoms do not fit an obvious diagnosis, often drawing on multiple medical specialties before identifying the underlying disease.

The character is also described as having specialties in infectious disease and nephrology. Those fields explain much of House’s medical expertise, but they are not the name of the hospital department he heads or the central professional role shown in the series. Diagnostic medicine is the best answer when the question concerns his department and team.

The program uses this fictional department to organize its medical-mystery format. In real hospitals, diagnostic work is commonly distributed among specialists, consultants, laboratories, and imaging services rather than concentrated in a department modeled exactly on House’s team. That difference is one reason the show’s workplace is fictionalized.