In House, M.D., what medical specialty does Gregory House practice alongside diagnostic medicine?

Gregory House practices infectious disease and nephrology alongside diagnostic medicine in House, M.D. These specialties explain his expertise with unusual systemic illnesses and kidney disorders.

House is introduced as the head of Diagnostic Medicine at Princeton-Plainsboro Teaching Hospital. His department evaluates patients whose symptoms do not fit ordinary diagnoses, often drawing on expertise from several medical fields.

Infectious disease concerns illnesses caused by pathogens, while nephrology focuses on the kidneys and related conditions. The combination is unusual but useful for a character who investigates complex, whole-body problems.

House’s medical knowledge is fictionalized for drama, and real-world diagnosis normally involves larger teams and established protocols. The show nevertheless uses genuine disease names, tests, and specialist terminology as part of its storytelling.