Enjoin (formerly known as Huff DRG Review) is a provider of a suite of solutions that integrate care delivery with clinical documentation integrity (CDI). It offers Inpatient Solutions through services including Medicare severity diagnosis-related group (MS-DRG) assurance, denial prevention, CDI, quality measures, and provider development. In addition, the company offers Population Health Solutions with CDI, provider development, and evaluation and management services. It also provides CDocT, a tool for value-based care which supports inpatient and outpatient CDI programs. Enjoin focuses on transforming the operations of healthcare organizations to achieve better quality and cost performance amid new and emerging payment models.