ICD-10-CM Diagnosis Code R40.2A
Diagnosis Code: R40.2A (Raw: R402A)
Description: Nontraumatic coma due to underlying condition
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 R40.2A is designated for Nontraumatic coma due to underlying condition. 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.