I70.36

Atherosclerosis of unspecified type of bypass graft(s) of the extremities with gangrene

Header / non-billable

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This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · I70.36
Includes

any condition classifiable to I70.31-, I70.32-, I70.33-, I70.34-, I70.35 chronic limb-threatening ischemia of unspecified type of bypass graft(s) of the extremities with gangrene critical limb ischemia of unspecified type of bypass graft(s) of the extremities with gangrene

Use additional

code to identify the severity of any ulcer (L97.-, L98.49-), if applicable

Inherited from I70.3Athscl unsp type bypass graft(s) of the extremities
Excludes 1

embolism or thrombus of bypass graft(s) of extremities (T82.8-)

Use additional

code, if applicable, to identify chronic total occlusion of artery of extremity (I70.92)

Inherited from I70Atherosclerosis
Includes

arteriolosclerosis arterial degeneration arteriosclerosis arteriosclerotic vascular disease arteriovascular degeneration atheroma endarteritis deformans or obliterans senile arteritis senile endarteritis vascular degeneration

Excludes 2

arteriosclerotic cardiovascular disease (I25.1-) arteriosclerotic heart disease (I25.1-) atheroembolism (I75.-) cerebral atherosclerosis (I67.2) coronary atherosclerosis (I25.1-) mesenteric atherosclerosis (K55.1) precerebral atherosclerosis (I67.2) primary pulmonary atherosclerosis (I27.0)

Use additional

code to identify: exposure to environmental tobacco smoke (Z77.22) history of tobacco dependence (Z87.891) occupational exposure to environmental tobacco smoke (Z57.31) tobacco dependence (F17.-) tobacco use (Z72.0)

Inherited from chapter 9Diseases of the circulatory system
Excludes 2

certain conditions originating in the perinatal period (P04-P96) certain infectious and parasitic diseases (A00-B99) complications of pregnancy, childbirth and the puerperium (O00-O9A) congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) endocrine, nutritional and metabolic diseases (E00-E88) injury, poisoning and certain other consequences of external causes (S00-T88) neoplasms (C00-D49) symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) systemic connective tissue disorders (M30-M36) transient cerebral ischemic attacks and related syndromes (G45.-)

Official Guidelines for I70.36

FY 2026 ›
I.C.9Chapter-specific guidanceChapter 9: Diseases of the Circulatory System (I00-I99)

Subsections