R40.2: Coma, unspecified
You lost consciousness.
If a person is unconscious, they will be in an abnormal, sleep-like state. The person cannot even be woken up by strong stimuli such as pain. If a person is unconscious, they can no longer perceive themselves or their environment. The eyes are closed and the person is unable to react to prompts.
One may be unconscious if the brain is not functioning properly. For various reasons, the brain is no longer able to function properly. The brain may have been damaged. The brain can be damaged by injury, pathogens or other diseases, for example.
Additional indicator
On medical documents, the ICD code is often appended by letters that indicate the diagnostic certainty or the affected side of the body.
- G: Confirmed diagnosis
- V: Tentative diagnosis
- Z: Condition after
- A: Excluded diagnosis
- L: Left
- R: Right
- B: Both sides
Further information
Note
This information is not intended for self-diagnosis and does not replace professional medical advice from a doctor. If you find an ICD code on a personal medical document, please also note the additional indicator used for diagnostic confidence.Your doctor will assist you with any health-related questions and explain the ICD diagnosis code to you in a direct consultation if necessary.
Source
Provided by the non-profit organization “Was hab’ ich?” gemeinnützige GmbH on behalf of the Federal Ministry of Health (BMG).