R40.2421
BillableGlasgow coma scale score 9-12, in the field [EMT or ambulance]
R40.2421 is the ICD-10-CM code for Glasgow coma scale score 9-12, in the field [EMT or ambulance]. It is a billable, specific code valid for reimbursement.
R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
No additional coding notes for this code.
Frequently asked questions
- What is ICD-10 code R40.2421?
- R40.2421 is the ICD-10-CM code for "Glasgow coma scale score 9-12, in the field [EMT or ambulance]". It falls under R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
- Is R40.2421 a billable code?
- Yes — R40.2421 is a billable, specific ICD-10-CM code valid for reimbursement.
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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