Data Dictionary for Volume Indicators

This document provides the dictionary for the dataset contains the number (volume) of six selected inpatient procedures (Esophageal Resection, Pancreatic Resection, Abdominal Aortic Aneurysm Repairs (AAA Repairs), Carotid Endarterectomy, Coronary Artery Bypass Graft Surgery, Percutaneous Coronary Intervention) performed in California hospitals. Data are reported for January – September 2015 due to coding changes from ICD-9-CM to ICD-10-CM/PCS for procedures, which began 10/1/2015. Comparisons across years should be made with caution since previous years’ results are based on 12 months of data, while this analysis is based on 9 months of data. The 2015 data may differ from previous years due to the coding change. This dataset does not include procedures performed in outpatient settings.