XVIII: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
R00-R09: Symptoms and signs involving the circulatory and respiratory systems
The group of conditions represented by the ICD-10 R00-R09 pertains to symptoms and signs involving the circulatory and respiratory systems. These are not full-fledged illnesses in their own right, but rather symptoms or signs that could point towards a variety of different diseases. Conditions in this group affect either the heart and blood vessels (circulatory system), or the lungs and airways (respiratory system). Common symptoms may include chest pain, cough, shortness of breath, abnormal heart rhythms, and unusual sounds heard via stethoscope examination. Diseases can be present from birth (congenital) or may develop over time due to lifestyle factors, exposure to harmful substances, or infections. Disease progression and severity can widely vary from mild and asymptomatic to severe and life-threatening. Therefore, effective diagnosis and management largely depend on the underlying disease the symptoms indicate.
Subcodes of R00-R09:
- R00: Abnormalities of heart beat
- R01: Cardiac murmurs and other cardiac sounds
- R02: Gangrene, not elsewhere classified
- R03: Abnormal blood-pressure reading, without diagnosis
- R04: Haemorrhage 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 systems
Patient Disclaimer
The information provided on this page is for general educational purposes only. It is not intended for self-diagnosis and does not replace professional medical advice. Always consult your doctor or a qualified healthcare provider with any questions or concerns about your health.
If you see an ICD diagnosis code (e.g., on a medical report), be aware that doctors may also include additional indicators to express diagnostic certainty. Only a healthcare professional can interpret these codes accurately in the context of your individual case.
For a complete understanding of your condition and what the diagnosis means for you, please speak directly with your doctor.