Health Data and Quality   Data Release    

D.C. Inpatient Discharge - Limited Access Database

Inpatient and outpatient discharge data collected by the DC Hospital Association (DCHA) for hospital stays in the District of Columbia are available for each year from 1999-2016. The files are delivered in comma delimited format. Please note that charge fields prior to 2015 are not considered reliable. Data delivered by the DCHA are available roughly 10 months after the end of the reporting calendar year. If you believe this data will support your study, please complete the DC Data Request Application below along with the processing fee and submit it to If your application is approved, a data use agreement including a data management plan will be executed prior to release of the data.

MHCC Processed File Data Dictionary (Excel)

Application for DC Data (Word)

Those seeking Maryland hospital inpatient discharge data should visit the HSCRC website or contact Oscar Ibarra,, at the Maryland Health Services Cost Review Commission. 

For questions regarding Data Release, please send an email to 

Last Updated: 9/19/2018