The Centers for Medicare and Medicaid Services (CMS) has issued a <a href="http://www.cms.gov/MLNMattersArticles/downloads/MM7492.pdf" target="_blank" rel="nofollow noopener">Medicare Fee-for-Service Claims Processing Guide for ICD-10</a>. The document includes information on how to handle claims for services during the ICD-9 and ICD-10 transition, including the actual implementation date.<span id="more-1389"></span> ICD-9 codes will not be accepted on claims after October 1, 2013. <a href="https://www.harmonyhit.com/">Harmony Healthcare IT</a>, a health IT services company, encourages its client based to download and read this important document.