I71.8
BillableAortic aneurysm of unspecified site, ruptured
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 at a location that is not specifically identified or classified elsewhere.
Coding Tips
- •This is a catch-all code for ruptured aortic aneurysms that don't fit other categories; use only when site cannot be determined
- •This is an emergent condition; ensure documentation includes rupture status and any complications
Clinical Significance
Ruptured aortic aneurysm of unspecified site is a life-threatening emergency regardless of the exact location within the aorta. While this code should be used only when the specific location cannot be determined, it still reflects a critically ill patient requiring emergent intervention. The unspecified nature often reflects incomplete documentation that should be clarified when possible.
Documentation Requirements
- ✓Documentation confirming aortic aneurysm with rupture
- ✓Evidence of rupture: imaging findings, hemodynamic instability, or surgical confirmation
- ✓Attempt to clarify specific location (thoracic, abdominal, or thoracoabdominal)
- ✓Emergency treatment and resuscitation documentation
- ✓Hemodynamic parameters and blood product utilization
- ✓If location is subsequently determined, update coding to specific site
Commonly Confused Codes
I71.1 — Thoracic aortic aneurysm, ruptured: use when thoracic location is documentedI71.3 — Abdominal aortic aneurysm, ruptured: use when abdominal location is documentedI71.50 — Thoracoabdominal aortic aneurysm, ruptured, unspecified: use when both segments involvedI71.9 — Aortic aneurysm of unspecified site, without rupture: intact version without rupture
Code Hierarchy
└I71Aortic aneurysm and dissection└I71.8Aortic aneurysm of unspecified site, ruptured
└I71.8Aortic aneurysm of unspecified site, ruptured