OPS-Code 5-205.4:
Other operations on middle and inner ear: Other excisions of middle and inner ear: In the mastoid
You had tissue removed from your mastoid process.
This may be necessary if, for example, the tissue in your middle ear is diseased.
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 mastoid process is the name given to the bony projection on the skull directly behind the ear.
Additional indicator
If necessary, additional letters are appended to OPS codes to indicate which side of the body is affected.
- L: Left
- R: Right
- B: Both sides
Note
Your doctor will assist you with any health-related questions and explain the OPS code to you in a direct consultation if necessary.
Source
The explanation of the OPS code was provided by the non-profit organization “Was hab’ ich?” gemeinnützige GmbH on behalf of the Federal Ministry of Health (BMG).