I71.50
BillableThoracoabdominal aortic aneurysm, ruptured, unspecified
HCC Category Mapping
V28HCC 264 — Vascular Disease with Complications
0.356V24HCC 107 — Vascular Disease with Complications
0.450ESRDHCC 107 — Vascular Disease with Complications
0.000What This Code Means
A ruptured bulging of the aorta that extends from the chest through the abdomen, with the specific location not specified.
Coding Tips
- •This is an unspecified code; use only when the exact location (supraceliac vs. paravisceral) cannot be determined from documentation
- •Ruptured aortic aneurysms are life-threatening emergencies requiring immediate intervention
Clinical Significance
Ruptured thoracoabdominal aortic aneurysm is a life-threatening surgical emergency with extremely high mortality rates. This diagnosis reflects the most severe manifestation of aortic aneurysmal disease, spanning both thoracic and abdominal segments. Capturing this code is essential for accurate risk adjustment as it indicates a patient with severe vascular complications requiring intensive resources.
Documentation Requirements
- ✓Documentation of thoracoabdominal location (spanning both thoracic and abdominal aorta)
- ✓Evidence of rupture: imaging findings, hemodynamic instability, or operative confirmation
- ✓Emergency or urgent treatment documentation
- ✓Hemodynamic status and resuscitation efforts
- ✓Surgical or interventional procedure details if applicable
- ✓If survived, document sequelae and ongoing management
Commonly Confused Codes
I71.60 — Thoracoabdominal aortic aneurysm, without rupture, unspecified: intact aneurysm without rupture — significantly different clinical scenarioI71.1 — Thoracic aortic aneurysm, ruptured: involves only the thoracic segment, not the combined thoracoabdominal regionI71.3 — Abdominal aortic aneurysm, ruptured: involves only the abdominal segmentI71.8 — Aortic aneurysm of unspecified site, ruptured: use site-specific code when documentation supports it
Code Hierarchy
└I71Aortic aneurysm and dissection└I71.5Thoracoabdominal aortic aneurysm, ruptured└I71.50Thoracoabdominal aortic aneurysm, ruptured, unspecified
└I71.50Thoracoabdominal aortic aneurysm, ruptured, unspecified