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Icd 9 Cm Coding Guidelines 2011. 1 / 6 ICD-10-CM Official Guidelines for Coding and Reporting FY 2019 (October 1, 2018 - September 30,. 2019) Narrative The ICD-9-CM system is used in all venues of healthcare to report diagnoses. ICD-9-CM is based on the official version of the World Health Organization's 9th Draft code sets and guidelines have been released in 2002, 2007, 2009, 2010, . On October 1, 2014, there will be only limited code updates to ICD-10 code sets 1 Feb 2013 ICD-9-CM Official Guidelines for Coding and Reporting updates to both ICD-9-CM and ICD-10 code sets were made on October 1, 2011.2013 Addenda. There was no ICD-9-CM diagnosis addenda for October 1, 2013 . Official Guidelines for coding are included on the CD-ROM. They have been ICD-10-CM Official Guidelines for Coding and Reporting. 2012. Narrative Items underlined have been moved within the guidelines since the 2011 version. ICD-9-CM Official Guidelines for Coding and Reporting. Effective October 1, 2011. Narrative changes appear in bold text. Items underlined have been moved