R40.24
Glasgow coma scale, total score
Non-billableCategory
7th Character Required
The following appropriate 7th character is to be added to subcategory R40.24-:
0 - unspecified time
1 - in the field [EMT or ambulance]
2 - at arrival to emergency department
3 - at hospital admission
4 - 24 hours or more after hospital admission
Coding Guidelines
Notes
- Assign a code from subcategory R40.24, when only the total coma score is documented


