The International Classification of Diseases, Tenth Revision, Clinical Modification/Procedure Coding System (ICD-10-CM/PCS) replaces the ninth revision ICD-9-CM coding system beginning October 1, 2015. This ICD-10-CM/PCS Resources page summarizes key issues for researchers using HCUP and other administrative databases that include ICD-10-CM/PCS coding.

• The POA Toolkit outlines the benefits of adding the POA indicator to administrative data and provides materials to assist with the implementation of the POA indicator.
• HCUP Research Methods Reports on POA (2011-05, 2006-01)

The Race and Ethnicity Data Improvement Toolkit provides practical tools and guidance to statewide data organizations and hospitals interested in improving the quality of their race, ethnicity, and primary language data collection efforts. The tools presented relate the combined experience of three AHRQ Enhanced State Data grantees from California, New Mexico, and the Northwest region (Idaho, Oregon, and Washington) that embarked on data improvement projects.

The Clinical Content Enhancement Toolkit provides practical tools and guidance to those interested in broadening and supplementing their existing population-based data with hospital-based clinical laboratory data, electronic pharmacy data, pre-hospital emergency care data, and vital record birth and death certificates. The tools presented relate the combined experience of five AHRQ Enhanced State Data grantees from Florida, Hawaii, Minnesota, New Jersey, and New York that embarked on clinical content enhancement projects.