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Nelly Leon-ChisenRHIA is the director of coding and classification at the American Hospital Association (AHA), where she is responsible for the direction and overall management of the ANA Central Office on ICD-10-CM and ICD-10-PCS, which is the official United States clearinghouse on coding, sequencing, and reporting data items. She serves as the executive editor of the AHA's coding clinic publications, including the AHA Coding Clinic for ICD-10-CM and ICD-10-PCS and AHA Coding Clinic for HCPCS. She also authors the ICD-10-CM and ICD-10-PCS Coding Handbook with Answers and the ICD-10-CM and ICD-10-PCS Coding Handbook without Answers. (Each handbook publishes annually.) Leon-Chisen represents the AHA as one of the ICD Cooperating Parties involved in the development of the ICD-10-CM and ICD-10-PCS Official Guidelines for Coding and Reporting. She also serves as a staff member to the AHA physician representative to the CPT Editorial Panel and is on the CPT Assistant's Editorial Board.
Publications
AHA ICD-10-CM and ICD-10-PCS Coding Handbook with Answers 2021 Edition, by Nelly Leon-Chisen. Chicago: AHA Press. ISBN978-1-55648-452-0.
