As senior level coding specialist, assigns compliant, complete and accurate coding MS-DRG's, ICD-10-CM diagnosis codes, ICD-10-CM procedure codes, and Present on Admission (POA) indicators for the hospital inpatient, and LTACH on services based upon the clinical documentation provided within the medical record. Ensures accurate, timely, and appropriate assignment of MS-DRG's, APR-DRG's, ICD diagnosis codes, ICD procedure codes, CPT, SOI and POA indicators, for the purpose of facilitating billing, internal and external reporting, research, and compliance with regulatory and payer guidelines.