ICD-10 Code I71.012 - Dissection of descending thoracic aorta

ICD-10-CM Diagnosis Code I71.012

Diagnosis Code: I71.012 (Raw: I71012)

Description: Dissection of descending thoracic aorta

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

Fiscal Year: 2026

CMS Section 111 Status: Valid for reporting (Excluded from No-Fault liability reporting).

Overview & Clinical Details

ICD-10-CM code I71.012 is designated for Dissection of descending thoracic aorta. 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.