By Nancy Hirschl, BS, CCS, AHIMA-Approved ICD-10 TrainerVice President, HIM & Product StrategyStreamline HealthWith the dramatic onset of the COVID-19 pandemic, CMS issued brand new ICD-10-CM codes to identify and reimburse COVID-based encounters, along with new—and subsequently adjusted— rules for using them.The sequence below captures the complexity of this unprecedented scenario from a medical coding perspective: [...]