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)
437 Other and ill-defined cerebrovascular disease
437.0: Cerebral atherosclerosis
Atheroma of cerebral arteries
Cerebral arteriosclerosis
437.1: Other generalized ischemic cerebrovascular disease
Acute cerebrovascular insufficiency NOS
Cerebral ischemia (chronic)
437.2: Hypertensive encephalopathy
437.3: Cerebral aneurysm, nonruptured
Internal carotid artery, intracranial portion
Internal carotid artery NOS
Excludes:
congenital cerebral aneurysm, nonruptured (747.81)
internal carotid artery, extracranial portion (442.81)
437.4: Cerebral arteritis
437.5: Moyamoya disease
437.6: Nonpyogenic thrombosis of intracranial venous sinus
Excludes:
pyogenic (325)
437.7: Transient global amnesia
437.8: Other
437.9: Unspecified
Cerebrovascular disease or lesion NOS

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