R40.232 – Coma scale, best motor response, extension
ICD-10-CM 2027 diagnosis code · Symptoms and signs involving cognition, perception, emotional state and behavior
- Code
R40.232(claims format:R40232)- Description
- Coma scale, best motor response, extension
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
- Block
- R40-R46 Symptoms and signs involving cognition, perception, emotional state and behavior
- Parent codes
- R40 › R40.2 › R40.23
Billable codes under R40.232
R40.232 is a header code and cannot be used on claims. Choose the most specific code:
- R40.2320 – Coma scale, best motor response, extension, unspecified timeBillable
- R40.2321 – Coma scale, best motor response, extension, in the field [EMT or ambulance]Billable
- R40.2322 – Coma scale, best motor response, extension, at arrival to emergency departmentBillable
- R40.2323 – Coma scale, best motor response, extension, at hospital admissionBillable
- R40.2324 – Coma scale, best motor response, extension, 24 hours or more after hospital admissionBillable
7th character values
Codes in this category need a 7th character to describe the encounter or episode of care.
| Character | Meaning |
|---|---|
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 |
Notes for R40.232
- Abnormal extensor posturing to pain or noxious stimuli (< 2 years of age)
- Coma scale motor score of 2
- Extensor posturing to pain or noxious stimuli (2-5 years of age)
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
R40 – Somnolence, stupor and coma
R40.2 – Coma
R40.23 – Coma scale, best motor response
- The following appropriate 7th character is to be added to subcategory R40.23-:
Block R40-R46
Index terms for R40.232
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in R40.23
- R40.231 – Coma scale, best motor response, noneHeader
- R40.233 – Coma scale, best motor response, abnormal flexionHeader
- R40.234 – Coma scale, best motor response, flexion withdrawalHeader
- R40.235 – Coma scale, best motor response, localizes painHeader
- R40.236 – Coma scale, best motor response, obeys commandsHeader
Frequently asked questions
What is ICD-10 code R40.232?
R40.232 is the ICD-10-CM code for coma scale, best motor response, extension, in the block R40-R46 (Symptoms and signs involving cognition, perception, emotional state and behavior).
Is R40.232 a billable code?
No. R40.232 is a header code with more specific child codes; report one of the billable codes listed above.
What category does R40.232 belong to?
It belongs to category R40 – Somnolence, stupor and coma.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.