ICD-10-CM>R00-R99>R00-R09>R04R04Hemorrhage from respiratory passagesNon-Billable/Non-SpecificCodesR04.0EpistaxisR04.1Hemorrhage from throatR04.2HemoptysisR04.8Hemorrhage from other sites in respiratory passagesR04.81Acute idiopathic pulmonary hemorrhage in infantsR04.89Hemorrhage from other sites in respiratory passagesR04.9Hemorrhage from respiratory passages, unspecified