Nelly Leon-Chisen

Medical Coding, Medical Informatics, Health System Informatics and Coding

Bio

Nelly Leon-Chisen has over 30 years’ experience in the health information management field, including consulting, teaching, technical, and management experience in hospital medical record departments. She served as Executive Director of Coding and Classification at the American Hospital Association, where she was responsible for leading the AHA Central Office on ICD-10-CM and ICD-10-PCS which, with other national organizations, serves as the authoritative source on ICD-10-CM and ICD-10-PCS relative to health care payment systems, statistical reporting, and health services research. She was also responsible for analyzing the yearly Diagnosis-Related-Groups (DRG) changes. She is the author of ICD-10-CM and ICD-10-PCS Coding Handbook published by AHA Press and has represented the AHA in numerous national committees and organizations focused on field of medical coding, including the Cooperating Parties responsible for the development of the ICD-10-CM and ICD-10-PCS Official Guidelines for Coding and Reporting.

Expertise

Mrs. Leon-Chisen was co-chair of the Workgroup for Electronic Data Interchange (WEDI) ICD-10 Implementation Workgroup and also served as staff to the AHA representative to the CPT Editorial Panel. She is a Past President of the Chicago Area Health Information Management Association and a recipient of the Professional Achievement Award from the Illinois Health Information Management Association. Nelly is a Registered Health Information Administrator and holds a B.S. in Medical Record Administration from the University of Illinois at Chicago, and a B.A. in History and English from Northeastern Illinois University in Chicago.

Go to Top