http://www.billdunbar.com Medical Coding, Documentation and Billing Revenue Strategies Thu, 29 Sep 2011 19:13:25 +0000 en hourly 1 http://www.billdunbar.com/icd/invalid-2010-icd9-code-updates/ http://www.billdunbar.com/icd/invalid-2010-icd9-code-updates/#comments Sun, 21 Mar 2010 19:22:09 +0000 Bill http://www.billdunbar.com/?p=958 The invalid codes are the ICD-9-CM diagnosis codes that are invalid after September 30th, 2009. These codes must be at a higher level of specificity to be valid codes as of October 1, 2009

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