Includes 29 MS-DRGs for Medical Necessity Review Connolly Healthcare posted a new approved issue calling for DRG Validation review of 309 MS-DRGs and/or 141 ICD-9 diagnosis codes, on Thursday evening, March 17, 2011. Connolly is the CMS Recovery Audit Contractor for Region C, responsible for audits of healthcare providers who bill Medicare in 17 states […]