R40.231
R40.231: Coma scale, best motor response, none
Non-billable headerICD-10-CM
R40.231 is a non-billable header ICD-10-CM code for coma scale, best motor response, none. 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 R40.23-:
- 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
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Coma scale motor score of 1
Excludes1 inherited from the categories above R40.231
A category’s note binds every code beneath it.
Other codes that can never be billed with R40.231
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
- Coma›with›motor response(none)
- Coma›with›motor response›score of›1
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead R40.231
5 child codes. Green means billable.
- R40.2310Coma scale, best motor response, none, unspecified time
- R40.2311Coma scale, best motor response, none, in the field [EMT or ambulance]
- R40.2312Coma scale, best motor response, none, at arrival to emergency department
- R40.2313Coma scale, best motor response, none, at hospital admission
- R40.2314Coma scale, best motor response, none, 24 hours or more after hospital admission