| ICD Code | 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 |