R40.2444 – Other coma, without documented Glasgow coma scale score, or with partial score reported, 24 hours or more after hospital admission
ICD-10-CM 2027 diagnosis code · Symptoms and signs involving cognition, perception, emotional state and behavior
- Code
R40.2444(claims format:R402444)- Description
- Other coma, without documented Glasgow coma scale score, or with partial score reported, 24 hours or more after hospital admission
- Short description
- Other coma, without Glasgow, or w/part score, 24+hrs
- Billable
- Yes – valid for HIPAA-covered transactions
- 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 › R40.24 › R40.244
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 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
R40.24 – Glasgow coma scale, total score
- Assign a code from subcategory R40.24, when only the total coma score is documented
- The following appropriate 7th character is to be added to subcategory R40.24-:
Block R40-R46
Related codes in R40.244
- R40.2440 – Other coma, without documented Glasgow coma scale score, or with partial score reported, unspecified timeBillable
- R40.2441 – Other coma, without documented Glasgow coma scale score, or with partial score reported, in the field [EMT or ambulance]Billable
- R40.2442 – Other coma, without documented Glasgow coma scale score, or with partial score reported, at arrival to emergency departmentBillable
- R40.2443 – Other coma, without documented Glasgow coma scale score, or with partial score reported, at hospital admissionBillable
Frequently asked questions
What is ICD-10 code R40.2444?
R40.2444 is the ICD-10-CM code for other coma, without documented Glasgow coma scale score, or with partial score reported, 24 hours or more after hospital admission, in the block R40-R46 (Symptoms and signs involving cognition, perception, emotional state and behavior).
Is R40.2444 a billable code?
Yes. R40.2444 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does R40.2444 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.