Aug 15, 2008 - U.S. Department of Health and Human Services (HHS)
Press Release by HHS titled "HHS Proposes Adoption of ICD-10 Code Sets and Updated Electronic Transaction Standards"
Excerpt: "HHS today announced a long-awaited proposed regulation that would replace the ICD-9-CM code sets now used to report health care diagnoses and procedures with greatly expanded ICD-10 code sets, effective Oct. 1, 2011."