R00-R09 · 8 Entries
R00Abnormalities of heart beatCategory · further specificity requiredR01Cardiac murmurs and other cardiac soundsCategory · further specificity requiredR03Abnormal blood-pressure reading, without diagnosisCategory · further specificity requiredR04Hemorrhage from respiratory passagesCategory · further specificity requiredR05CoughCategory · further specificity requiredR06Abnormalities of breathingCategory · further specificity requiredR07Pain in throat and chestCategory · further specificity requiredR09Other symptoms and signs involving the circulatory and respiratory systemCategory · further specificity required