| Y91.0 |
Mild intoxication: Smell of alcohol on breath, slight behavioral disturbance in function and responses, or slight difficulty in coordination |
Mild intoxication (50mg/dL): Smell of alcohol on breath, Exuberance/loss of emotional restraint/depressed mood, impairment of attention and/or judgment, conjunctival injection and/or flushed face |
| Y91.1 |
Moderate intoxication: Smell of alcohol on breath, moderate behavioral disturbance in function and responses, or moderate difficulty in coordination |
Moderate intoxication (100mg/dL): All or any of mild intoxication symptoms PLUS impairment of speech (e.g. slurring), impairment of motor coordination, disturbances in behavioral response, disturbances in emotional responses, impaired ability to cooperate |
| Y91.2 |
Severe intoxication: Severe disturbances in functions and responses, severe difficulty in coordination, or impaired ability to cooperate |
Severe intoxication (200mg/dL): All or any of mild/moderate intoxication symptoms PLUS horizontal gaze, nystagmus |
| Y91.3 |
Very severe intoxication: Very severe disturbance in functions and responses, very severe difficulty in coordination, or loss of ability to cooperate |
Very severe intoxication (300mg/dL): All or any of mild/moderate/severe intoxication symptoms PLUS stuporous, heavy sleeping/heavy snoring |
|
Extremely severe intoxication: no Y91 category. Alcohol involvement, not specified |
Extremely severe intoxication (400mg/dL): All or any of mild/moderate/severe/very severe intoxication symptoms PLUS irregular breathing, inhalation of vomit, comatose/inability to be aroused |
| Y91.4 |
Alcohol involvement, not specified
|
Unknown/other
|
