H.U. Group Holdings, Inc. operates a healthcare business in Japan, the United States, Europe, and internationally. Its Lab Testing and Related Services segment offers general and esoteric testing, companion diagnostics, omics analysis, and clinical trial support. The In-Vitro Diagnostics segment provides the Lumipulse system, testing services for neurodegenerative diseases, and rapid diagnostics kits for infectious diseases. The Healthcare-related Services segment offers sterilization, operating room support, medical equipment maintenance, and nursing care services. The company was formerly known as Miraca Holdings Inc. and changed its name to H.U. Group Holdings, Inc. in July 2020. It was incorporated in 1950 and is headquartered in Tokyo, Japan.