I70.23
Atherosclerosis of native arteries of right leg with ulceration
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 19 never code together
I70code
Excludes2
- arteriosclerotic cardiovascular disease (I25.1-)I25.1-
- arteriosclerotic heart disease (I25.1-)I25.1-
- atheroembolism (I75.-)I75.-
- cerebral atherosclerosis (I67.2)I67.2
- coronary atherosclerosis (I25.1-)I25.1-
- mesenteric atherosclerosis (K55.1)K55.1
- precerebral atherosclerosis (I67.2)I67.2
- primary pulmonary atherosclerosis (I27.0)I27.0
I70.2code
Excludes2
- atherosclerosis of bypass graft of extremities (I70.30-I70.79)I70.30-I70.79
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 22
Index entries leading here filed at null
No alphabetic index entry points at this code.
Alongside this code 7 same parent — I70.2
I70.20 Unsp atherosclerosis of native arteries of extremities category I70.21 Athscl native arteries of extremities w intermittent claud category I70.22 Athscl native arteries of extremities w rest pain category I70.24 Atherosclerosis of native arteries of left leg w ulceration category I70.25 Athscl native arteries of extremities w ulceration I70.26 Atherosclerosis of native arteries of extremities w gangrene category I70.29 Other atherosclerosis of native arteries of extremities category
Subordinate codes 7
I70.231 Athscl native arteries of right leg w ulceration of thigh I70.232 Athscl native arteries of right leg w ulceration of calf I70.233 Athscl native arteries of right leg w ulceration of ankle I70.234 Athscl native art of right leg w ulcer of heel and midfoot I70.235 Athscl native arteries of right leg w ulcer oth prt foot I70.238 Athscl native art of right leg with ulcer oth prt low leg I70.239 Athscl native arteries of right leg w ulcer of unsp site
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.