. Author manuscript; available in PMC: 2016 Jan 13.

Published in final edited form as: Circ Cardiovasc Qual Outcomes. 2015 Jan 13;8(1):8–14. doi: 10.1161/CIRCOUTCOMES.113.000371

Table 1. List of ICD-9 Codes Used to Identify Stroke Events.

Condition	ICD-9 Code	ICD-9 Code Description
Ischemic stroke	433	occlusion and stenosis of precerebral arteries
	434	occlusion of cerebral arteries
	436	acute but ill-defined cerebrovascular disease
Intracranial hemorrhage	430	subarachnoid hemorrhage
	431	intracerebral hemorrhage
	432	other and unspecified intracranial hemorrhage