R40.2
R40.2: Coma
Non-billable headerICD-10-CM
R40.2 is a non-billable header ICD-10-CM code for coma. It cannot be billed on its own: choose one of the more specific child codes below.
Code first
The underlying condition must be sequenced before this code.
Notes
Additional guidance from the ICD-10-CM tabular list.
Excludes1 inherited from the categories above R40.2
A category’s note binds every code beneath it.
Other codes that can never be billed with R40.2
Their own Excludes1 notes name this code, so the conflict is not listed above.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead R40.2
6 child codes. Green means billable.