Other coma, without documented Glasgow coma scale score, or with partial score reported, unspecified time
Short description: Other coma, without Glasgow, or w/part score, unsp time
- Chapter
- 18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
- Category
- R40
- Effective date
- October 1, 2026
Related codes in category R40
Frequently asked questions
What is ICD-10 code R40.2440?
R40.2440 is an ICD-10-CM diagnosis code for Other coma, without documented Glasgow coma scale score, or with partial score reported, unspecified time.
Is R40.2440 a billable code?
Yes. R40.2440 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is R40.2440 in?
R40.2440 falls under Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
When did R40.2440 become effective?
R40.2440 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to R40.2440?
R40.2440 belongs to category R40, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.