ICD-10-CM Diagnosis Code R94.31
Diagnosis Code: R94.31 (Raw: R9431)
Description: Abnormal electrocardiogram [ECG] [EKG]
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 R94.31 is designated for Abnormal electrocardiogram [ECG] [EKG]. 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.