ICD-9-CM Coding Handbook, Without Answers

About the Contributor Nelly Leon-Chisen, RHIA, is the director of coding and classification at the American Hospital Association (AHA), where she heads the Central Office on ICD-9-CM and the Central Office on HCPCS. She represents the AHA as one of the ICD-9-CM cooperating parties responsible for the development of AHA Coding Clinic for ICD-9-CM and ICD-9-CM Official Guidelines for Coding and Reporting.She is a member of the ICD-10-PCS Technical Advisory Panel, past co-chair of the Workgroup for Electronic Data Interchange (WEDI) ICD-10 Implementation Workgroup, and has provided numerous testimonies on ICD-10-CM and ICD-10-PCS before the ICD-9-CM Coordination and Maintenance Committee and the National Committee on Vital and Health Statistics. She was also a lead project manager on the joint AHA-AHIMA ICD-10-CM Field Study. She has lectured on coding, data quality, and ICD-10 throughout the United States, Europe, and Latin America.