Improved coding of postoperative deep vein thrombosis and pulmonary embolism in administrative data (AHRQ Patient Safety Indicator 12) after introduction of new ICD-9-CM diagnosis codes.
Med Care 2015 May;53(5):e37-40
*Department of Medicine, Center for Healthcare Policy and Research, UC Davis School of Medicine, Sacramento †Center for Innovation and Improvement Science, University of California, San Diego ‡Center for Healthcare Policy and Research, University of California-Davis, Sacramento, CA §UHC, Chicago, IL.