I71.9
Aortic aneurysm of unspecified site, without rupture
Billable FY2026 2025-10-01 → 2026-09-30
This is the unspecified option. 8 more
specific codes sit alongside it. Worth
checking whether the documentation supports one of them.
Exclusions 10 never code together
I00-I99chapter
Excludes2
- certain conditions originating in the perinatal period (P04-P96)P04-P96
- certain infectious and parasitic diseases (A00-B99)A00-B99
- complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)Q00-Q99
- endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
- injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
- neoplasms (C00-D49)C00-D49
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94
- systemic connective tissue disorders (M30-M36)M30-M36
- transient cerebral ischemic attacks and related syndromes (G45.-)G45.-
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 6
Index entries leading here 3
Alongside this code 8 same parent — I71
I71.0 Dissection of aorta category I71.1 Thoracic aortic aneurysm, ruptured category I71.2 Thoracic aortic aneurysm, without rupture category I71.3 Abdominal aortic aneurysm, ruptured category I71.4 Abdominal aortic aneurysm, without rupture category I71.5 Thoracoabdominal aortic aneurysm, ruptured category I71.6 Thoracoabdominal aortic aneurysm, without rupture category I71.8 Aortic aneurysm of unspecified site, ruptured
Medications 1
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.