AHA Coding Clinic® for ICD-9 - 1987 March - April

Occlusive Peripheral Vascular Disease

The question is often asked, "How is occlusive peripheral vascular disease coded when there is no evidence of a thrombus or embolus?" Occlusion (occlusive) is defined as either the act of closing or the state of being closed. Occlusive peripheral vascular disease refers to an interference in the arteries or veins or smaller circulatory vessels supplying the extremities. A thrombus, embolus, or infarction may have occluded the blood supply. Or an atherosclerotic narrowing or a vascular stricture may have slowed free-flowing circulation to the extremities. In the Alphabetic Index of ICD-9-CM the following entry Occlusion peripheral arteries 444...

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