H70.8: Other mastoiditis and related conditions

There is a small bony projection on the head behind the ear. It contains small cavities full of air. You can feel this bony projection behind the ear. The bone behind your ear is inflamed. One reason for an inflammation of this bone might be another inflammation of your ear. The inflammation in this bone can cause sudden severe ear pain. One may suddenly feel very sick and get a high temperature. Your hearing may also be worse. The ear may stick out on the affected side. You can then feel a swelling behind the ear on the affected side.

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.