ICD-10-CM 2027
ICD-10 code for dissection
Choose a code from the options below based on the documentation.
From the official ICD-10-CM alphabetic index entry “Dissection”. Page updated September 29, 2026.
About coding dissection
The official ICD-10-CM index doesn't give a single default code for dissection; the code depends on the details below.
More specific dissection codes (official index)
- aorta I71.00 — Dissection of unspecified site of aorta
- abdominal I71.02 — Dissection of abdominal aorta
- thoracic I71.019 — Dissection of thoracic aorta, unspecified
- aortic arch I71.011 — Dissection of aortic arch
- ascending aorta I71.010 — Dissection of ascending aorta
- descending thoracic aorta I71.012 — Dissection of descending thoracic aorta
- thoracoabdominal I71.03 — Dissection of thoracoabdominal aorta
- artery I77.70 — Dissection of unspecified artery
- basilar (trunk) I77.75 — Dissection of other precerebral arteries
- carotid I77.71 — Dissection of carotid artery
- cerebral (nonruptured) I67.0 — Dissection of cerebral arteries, nonruptured
- ruptured
- coronary I25.42 — Coronary artery dissection
- extremity
- lower I77.77 — Dissection of artery of lower extremity
- upper I77.76 — Dissection of artery of upper extremity
- iliac I77.72 — Dissection of iliac artery
- precerebral
- congenital (nonruptured) Q28.1 — Other malformations of precerebral vessels
- specified site NEC I77.75 — Dissection of other precerebral arteries
- renal I77.73 — Dissection of renal artery
- specified NEC I77.79 — Dissection of other specified artery
- vertebral I77.74 — Dissection of vertebral artery
- precerebral artery, congenital (nonruptured) Q28.1 — Other malformations of precerebral vessels
- traumatic
- vascular I99.8 — Other disorder of circulatory system
- wound