ICD-10-CM Diagnosis Code I35.9
Diagnosis Code: I35.9 (Raw: I359)
Description: Nonrheumatic aortic valve disorder, unspecified
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 I35.9 is designated for Nonrheumatic aortic valve disorder, unspecified. 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.
