I70.22
Atherosclerosis of native arteries of extremities with rest pain
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 19 never code together
I70.2code
Excludes2
- atherosclerosis of bypass graft of extremities (I70.30-I70.79)I70.30-I70.79
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
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 23
I70code
Includes
- arteriolosclerosis
- arterial degeneration
- arteriosclerosis
- arteriosclerotic vascular disease
- arteriovascular degeneration
- atheroma
- endarteritis deformans or obliterans
- senile arteritis
- senile endarteritis
- vascular degeneration
I70.2code
Inclusion terms
- Mönckeberg's (medial) sclerosis
Use additional code
- code, if applicable, to identify chronic total occlusion of artery of extremity (I70.92)I70.92
I70.22code
Includes
- any condition classifiable to I70.21-I70.21-
- chronic limb-threatening ischemia NOS of native arteries of extremities
- chronic limb-threatening ischemia of native arteries of extremities with rest pain
- critical limb ischemia NOS of native arteries of extremities
- critical limb ischemia of native arteries of extremities with rest pain
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 I70.23 Atherosclerosis of native arteries of right leg w ulceration 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 5
I70.221 Athscl native arteries of extremities w rest pain, right leg I70.222 Athscl native arteries of extremities w rest pain, left leg I70.223 Athscl native arteries of extrm w rest pain, bilateral legs I70.228 Athscl native arteries of extrm w rest pain, oth extremity I70.229 Athscl native arteries of extrm w rest pain, unsp extremity
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.