R40.224 – Coma scale, best verbal response, confused conversation
ICD-10-CM 2027 diagnosis code · Symptoms and signs involving cognition, perception, emotional state and behavior
- Code
R40.224(claims format:R40224)- Description
- Coma scale, best verbal response, confused conversation
- 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 › R40.22
Billable codes under R40.224
R40.224 is a header code and cannot be used on claims. Choose the most specific code:
- R40.2240 – Coma scale, best verbal response, confused conversation, unspecified timeBillable
- R40.2241 – Coma scale, best verbal response, confused conversation, in the field [EMT or ambulance]Billable
- R40.2242 – Coma scale, best verbal response, confused conversation, at arrival to emergency departmentBillable
- R40.2243 – Coma scale, best verbal response, confused conversation, at hospital admissionBillable
- R40.2244 – Coma scale, best verbal response, confused conversation, 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 R40.224
- Coma scale verbal score of 4
- Inappropriate words (2-5 years of age)
- Irritable cries (< 2 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
R40.22 – Coma scale, best verbal response
- The following appropriate 7th character is to be added to subcategory R40.22-:
Block R40-R46
Index terms for R40.224
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in R40.22
Frequently asked questions
What is ICD-10 code R40.224?
R40.224 is the ICD-10-CM code for coma scale, best verbal response, confused conversation, in the block R40-R46 (Symptoms and signs involving cognition, perception, emotional state and behavior).
Is R40.224 a billable code?
No. R40.224 is a header code with more specific child codes; report one of the billable codes listed above.
What category does R40.224 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.