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ICD-10 Code R40.2111 - Coma scale, eyes open, never, in the field [EMT or ambulance]

Reviewed by Medicinsk Expert•Last updated: 2026-10-22•ICD Codes

ICD-10-CM Diagnosis Code R40.2111

Diagnosis Code: R40.2111 (Raw: R402111)

Description: Coma scale, eyes open, never, in the field [EMT or ambulance]

Classification: International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)

Fiscal Year: 2026

CMS Section 111 Status: Valid for reporting.

Overview & Clinical Details

ICD-10-CM code R40.2111 is designated for Coma scale, eyes open, never, in the field [EMT or ambulance]. In medical documentation and insurance billing, this code is utilized to specify medical diagnosis for patient records, reimbursement workflows, and compliance under CMS Section 111 mandatory insurer reporting guidelines.

Source: MedlinePlus, National Library of Medicine

MedlinePlus brings together authoritative health information from the National Library of Medicine (NLM), the National Institutes of Health (NIH), and other government agencies and health-related organizations.