Implementing the US Department of Health and Human Services definition of multimorbidity: a comparison between billing codes and medical record review in a population-based sample of persons 40-84 years old.
Jennifer L St SauverAlanna M ChamberlainWilliam V BoboCynthia M BoydLila J Finney RuttenDebra J JacobsonMichaela E McGreeBrandon R GrossardtWalter A RoccaPublished in: BMJ open (2021)
The use of a single code to identify each of the 17 chronic conditions may be a simple and valid method to identify persons who meet the DHHS definition of multimorbidity in populations with similar demographic, socioeconomic, and health care characteristics.