Reporting ICD Diagnosis and Procedure Codes

10 - Reporting ICD Diagnosis and Procedure Codes (Rev. 3081, Issued: 09-26-14, Effective: Upon Implementation of ICD-10, Implementation: Upon Implementation of ICD-10) Proper coding is necessary on Medicare claims because codes are generally used in determining coverage and payment amounts. CMS accepts only HIPAA approved ICD-9-CM or ICD-10-CM/ICD-10-PCS codes, depending on the date of service. The official ICD-9-CM codes which were updated annually through October 1, 2013 are posted at http://www.cms.gov/Medicare/Coding/ICD9ProviderDiagnosticCodes/codes.html The official annual updates and effective dates for any changes to ICD-10-CM and ICD-10-PCS codes are posted at http://www.cms.gov/Medicare/Coding/ICD10/index.html . See the following sections (10.1 - 10.6) for additional instructions about coding ICD diagnoses for inpatient, outpatient, and other services.