Nelly Leon-Chisen, RHIA, is the Director of Coding and Classification at the American Hospital Association where she is responsible for leading the AHA Central Office on ICD-10-CM and ICD-10-PCS and Central Office on HCPCS. The AHA Central Office, in cooperation with the Centers for Disease Control and Prevention National Center for Health Statistics (NCHS), the Centers for Medicare and Medicaid Services (CMS) and the American Health Information Management Association (AHIMA), 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 represents the AHA as one of the four ICD-10 Cooperating Parties. She is also the executive editor of AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS and AHA Coding Clinic® for HCPCS, and author of ICD-10-CM and ICD-10-PCS Coding Handbook published by AHA Press.

She has represented the AHA on other national groups such as the CPT-5 Project Advisory Group, Medicare Technical Advisory Group Outpatient Workgroup, ICD-10-PCS Technical Advisory Group, Panel to Evaluate the U.S. Standard Certificates, HEDIS Coding Users Panel, and ICD-10 Coordination and Maintenance Committee. She was co-chair of the Workgroup for Electronic Data Interchange (WEDI) ICD-10 Implementation Workgroup. She also serves as staff to the AHA representative to the CPT Editorial Panel.

She co-chaired the joint AHA-AHIMA ICD-10-CM Field Testing Project and was the technical lead for the AHA-AHIMA Facility Evaluation and Management (E/M) Code Development Expert Panel.

She has over 30 years experience in the health information management field including consulting, teaching, technical and management experience in hospital medical record departments. 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.

She has lectured extensively on coding, DRG and data quality issues throughout the United States and internationally. She has also testified on behalf of the American Hospital Association at numerous National Committee on Vital and Health Statistics hearings on ICD-10-CM and ICD-10-PCS.

She 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.

Speaker Topics

  • ICD-10, Coding and Classification

Speaker Type

  • Breakout Presenter
  • Keynote Presenter