ICD-10-CM Diagnosis Code Q28.9
Diagnosis Code: Q28.9 (Raw: Q289)
Description: Congenital malformation of circulatory system, 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 Q28.9 is designated for Congenital malformation of circulatory system, 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.
