Accurately assigns Evaluation and Management (E/M) codes, International Classification of Diseases, Clinical Modification (ICD-CM) diagnoses, ICD-10 Procedure Coding System (ICD-10-PCS), Current Procedural Terminology (CPT), Healthcare Common Procedure Coding System (HCPCS), modifiers, and quantities derived from medical record documentation for the professional and facility components of ambulatory emergency room. Certification: ONE of the following recognized professional coding certifications: Certified Coding Specialist (CCS), Certified Professional Coder (CPC), Registered Health Information Technician (RHIT), or Registered Health Information Administrator (RHIA).