The CDS utilize their clinical/nursing knowledge, and demonstrates an understanding of complications, comorbidities, SOI, ROM, case mix, current CMS coding guidelines, the impact of procedures on the final Diagnosis Related Group (DRG), compliant documentation to support the capture of Hierarchical Condition Categories (HCC), ICD-10-CM accuracy and specificity, and medical necessity. The Clinical Documentation Specialist (CDS) facilitates the improved integrity of medical record documentation through interaction with healthcare providers to support the appropriate representation of severity of illness, risk of mortality, acuity, and complexity of care.