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