R40.242
R40.242: Glasgow coma scale score 9-12
Non-billable headerICD-10-CM
R40.242 is a non-billable header ICD-10-CM code for glasgow coma scale score 9-12. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.
This code requires a 7th character
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
Excludes1 inherited from the categories above R40.242
A category’s note binds every code beneath it.
Other codes that can never be billed with R40.242
Their own Excludes1 notes name this code, so the conflict is not listed above.
- R41.82Altered mental status, unspecified
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Alphabetic index entries that lead here
- Glasgow coma scale›total score›9-12
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead R40.242
5 child codes. Green means billable.
- R40.2420Glasgow coma scale score 9-12, unspecified time
- R40.2421Glasgow coma scale score 9-12, in the field [EMT or ambulance]
- R40.2422Glasgow coma scale score 9-12, at arrival to emergency department
- R40.2423Glasgow coma scale score 9-12, at hospital admission
- R40.2424Glasgow coma scale score 9-12, 24 hours or more after hospital admission