I70
Atherosclerosis
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 18 never code together
I70code
Excludes2
- arteriosclerotic cardiovascular disease (I25.1-)I25.1-I25.1-I25.1-
- arteriosclerotic heart disease (I25.1-)I25.1-I25.1-I25.1-
- atheroembolism (I75.-)I75.-I75.-I75.-
- cerebral atherosclerosis (I67.2)I67.2I67.2I67.2
- coronary atherosclerosis (I25.1-)I25.1-I25.1-I25.1-
- mesenteric atherosclerosis (K55.1)K55.1K55.1K55.1
- precerebral atherosclerosis (I67.2)I67.2I67.2I67.2
- primary pulmonary atherosclerosis (I27.0)I27.0I27.0I27.0
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 16
I70code
Includes
- arteriolosclerosis
- arterial degeneration
- arteriosclerosis
- arteriosclerotic vascular disease
- arteriovascular degeneration
- atheroma
- endarteritis deformans or obliterans
- senile arteritis
- senile endarteritis
- vascular degeneration
Use additional code
Index entries leading here filed at null
No alphabetic index entry points at this code.
Subordinate codes 10
I70.0 Atherosclerosis of aorta I70.1 Atherosclerosis of renal artery I70.2 Atherosclerosis of native arteries of the extremities I70.3 Athscl unsp type bypass graft(s) of the extremities I70.4 Athscl autologous vein bypass graft(s) of the extremities I70.5 Athscl nonautologous bio bypass graft(s) of the extremities I70.6 Athscl nonbiological bypass graft(s) of the extremities I70.7 Athscl type of bypass graft(s) of the extremities I70.8 Atherosclerosis of other arteries I70.9 Other and unspecified atherosclerosis
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.