Author Response for Identifying Increased Risk of Readmission and In-hospital Mortality Using Hospital Administrative Data: The AHRQ Elixhauser Comorbidity Index

^*IBM Watson Health, Ann Arbor, MI

^†Agency for Healthcare Research and Quality, Center for Quality Improvement and Patient Safety, Rockville, MD

Supported by the Agency for Healthcare Research and Quality (AHRQ), Center for Delivery, Organization, and Markets, Healthcare Cost and Utilization Project (HCUP). The views expressed in this article are those of the authors and do not necessarily reflect those of the Agency for Healthcare Research and Quality or the US Department of Health and Human Services. The authors declare no conflict of interest.