R40.23
Header — not billableComa scale, best motor response
The ICD-10 code for coma scale, best motor response is R40.23.
R40.23 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 6 more specific codes below.
Clinical notes
7th character definitions
These definitions specify what each valid 7th-character value means for codes in this category.
- [object Object]
7th character note
This category requires a 7th character to indicate additional clinical detail (e.g. encounter type: initial, subsequent, sequela). The code is incomplete without it.
- The following appropriate 7th character is to be added to subcategory R40.23-:
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •This category requires a 7th character. Documentation should clearly indicate the episode of care (initial encounter, subsequent encounter, or sequela).
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under R40.23
- R40.231Coma scale, best motor response, none
- R40.232Coma scale, best motor response, extension
- R40.233Coma scale, best motor response, abnormal flexion
- R40.234Coma scale, best motor response, flexion withdrawal
- R40.235Coma scale, best motor response, localizes pain
- R40.236Coma scale, best motor response, obeys commands