Section R00-R09
Symptoms and signs involving the circulatory and respiratory systems
Clinical Classification Guidelines
Subordinate Categories
Abnormalities of heart beat
R00
Cardiac murmurs and other cardiac sounds
R01
Abnormal blood-pressure reading, without diagnosis
R03
Hemorrhage from respiratory passages
R04
Cough
R05
Abnormalities of breathing
R06
Pain in throat and chest
R07
Other symptoms and signs involving the circulatory and respiratory system
R09