CEREBROVASCULAR DISEASE (430-438)
Includes:
with mention of hypertension (conditions classifiable to 401-405)
Use additional code to identify presence of hypertension
Excludes:
any condition classifiable to 430-434, 436, 437 occurring during pregnancy, childbirth, or the puerperium, or specified as puerperal (674.0)
iatrogenic cerebrovascular infarction or hemorrhage (997.02)
435 Transient cerebral ischemia
Includes:
cerebrovascular insufficiency (acute) with transient focal neurological signs and symptoms
insufficiency of basilar, carotid, and vertebral arteries
spasm of cerebral arteries
Excludes:
acute cerebrovascular insufficiency NOS (437.1)
that due to any condition classifiable to 433 (433.0-433.9)
435.0: Basilar artery syndrome
435.1: Vertebral artery syndrome
435.2: Subclavian steal syndrome
435.3: Vertebrobasilar artery syndrome
435.8: Other specified transient cerebral ischemias
435.9: Unspecified transient cerebral ischemia
Impending cerebrovascular accident
Intermittent cerebral ischemia
Transient ischemic attack [TIA]

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