A link to the Copyright Permissions Request Form appears on the right side of the page. AHA/ASA Performance Measures development that has been used for other AHA cardiovas- cular performance measure sets.11,12 These ICH performance measures represent the next AHA/ASA stroke-specific mea- sure set and were developed with this same methodology. The present document on ICH follows that ischemic stroke document substantially, borrowing wording when appro- priate to ensure similarity and harmonization across AHA/ ASA performance measure approaches.10 The process was overseen by the AHA/ASA Stroke Performance Oversight Committee and coordinated by an independent volunteer writing group of medical professionals from different spe- cialties with assistance from theAHA/ASA professional staff. The primary purpose of these ICH Performance Measures is to promote adherence to guideline-recommended care. Methods The process used by the AHA/ASA ICH Performance Measure Writing Group was adapted from the methodology developed jointly by the American College of Cardiology and AHA for the development of performance measures for cardiovascular The writing group was tasked by the AHA to develop performance measures related to emergency department and inpatient care of adults ( 18 years of age) hospitalized with ICH as the principal admitting condition. The group first determined the definition of ICH and the care period to be covered by the performance measures. Group members then reviewed existing AHA/ASA guidelines relevant to ICH for suitability for con- version to performance measures on the basis of the strength of guideline recommendation and evidence base, feasibility of data collection, reliability for comparison across hospitals, and potential to improve patient outcome. Specific guideline rec- ommendations selected were then converted into performance measures by specifying eligible patients through specific inclu- sion and exclusion criteria and the measure numerator and denominator that would allow quantitative reporting of aggre- gate data. 