CMS has issued new modifications to the implementation of the HIPAA 004010 transaction sets, the new version is 005010.The HIPAA 005010 transaction sets implementation date is January 1, 2012.
CMS has issued new modifications to the ICD-9 diagnosis and procedure code sets, the new codes set is ICD-10.The ICD-10 diagnosis code set will be implemented by October 2014. Additional implementation information will be available in the future.
Medicaid Companion Guides for 005010
Medicaid Submitter Enrollment and Agreement