AHA Coding Clinic® for ICD-9 - 2004 Issue 4; VOLUMES 1 AND 2 NEW/REVISED DIAGNOSIS CODES

Cerebrovascular Accident (Stroke)

Effective October 1, 2004, a change has been made in the classification of unspecified cerebrovascular accident (CVA) or stroke. Prior to this change, these conditions were indexed to code 436, Acute, but ill-defined, cerebrovascular disease. Strokes or CVAs can be grouped as hemorrhagic or nonhemorrhagic. In many instances, the documentation available does not specify whether the stroke or CVA is hemorrhagic or nonhemorrhagic. The majority of strokes are nonhemorrhagic. Physicians routinely equate the terms stroke and CVA with cerebral infarction, and yet in the absence of additional documentation, these conditions were being grouped under code 436. To allow for...

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