WHO Collaborating Centre in Calgary, Canada The WHO CC in Calgary focuses on the development and maintenance, continuous quality improvement, and research and networking on WHO classification, terminology, and standards products.

Developing ICD-11 Field Trials Objectives: Testing reliability of ICD-11 coding among coders. Testing comparability between ICD 10 and ICD-11 in defining morbidities Assessing data quality improvement generated from ICD-11 compared with data coded with ICD-10 Evaluating impacts of coding rules on condition identification and grouping Documenting utility of ICD-11: experience of ICD-11 use for coding morbidity.

Research Activities Coding of obesity in administrative hospital discharge abstract data: Accuracy and impact for future research studies. Assessing the validity of using administrative data to identify patients with epilepsy. Surveillance of ischemic heart disease should include physician billing claims: Population-based evidence from administrative health data across seven Canadian provinces. Validity of AHRQ patient safety indicators derived from ICD-10 hospital discharge abstract data (chart review study). Case definitions for acute myocardial infarction in administrative databases and their impact on in-hospital mortality rates. Using linked administrative data to study periprocedural mortality in obesity and chronic kidney disease (CKD).

Validity of ICD-10 Codes for Classifying AMI Sub-types Objective: to determine the validity of the “ECG suggestive of STEMI” (R9430) and “ECG suggestive of NSTEMI” (R9431) sub-codes within a sample of AMI patients. Chart Data STEMI NSTEMI ICD 10 Data I21.0-3 STEMI: 92.3% I21.4 NSTEMI: 100% R94.30 STEMI: 91.6% R94.31 NSTEMI:100% Agreement