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Table 1 Definition of cardiovascular diseases used according to the ICD 9 CM

From: Incidence, mortality, and lethality of hospitalizations for community-acquired pneumonia with comorbid cardiovascular disease in Spain (1997–2015)

Acute rheumatic fever (390–392)
390: Rheumatic fever without involvement of the heart
391: Rheumatic fever with involvement of the heart (391.0–391.9)
392: Rheumatic chorea (392.0–392.9)
Chronic rheumatic heart disease (393–398)
393: Chronic rheumatic pericarditis
394: Mitral valve diseases (394.0–394.9)
395: Aortic valve diseases (395.0–395.9)
396: Diseases of the mitral and aortic valves (396.0–396.9)
397: Diseases of other structures of the endocardium (397.0–397.9)
398: Other rheumatic heart disease (398.0–398.99)
Hypertensive disease
402: Hypertensive heart disease (402.0–402.91)
403: Hypertensive kidney disease (403.0–403.9)
404: Hypertensive kidney and heart disease (404.0–404.9)
Ischaemic heart disease (410–414)
410: Acute myocardial infarction (410.0–410.9)
411: Another form of acute and subacute ischaemic heart disease (411.0–411.89)
412: Old myocardial infarction
413: Angina pectoris (413.0–413.9)
414: Other forms of chronic cardiac ischaemic disease (414.0–414.19)
Pulmonary circulation disease (415–417)
415: Acute pulmonary heart disease (415.0–415.19)
416: Chronic pulmonary heart disease (416.0–416.9)
417: Other pulmonary circulation diseases (417.0–417.9)
Other forms of heart disease
420: Acute pericarditis (4200–420.99)
421: Acute and subacute endocarditis (421.0–421.9)
422: Acute myocarditis (422.0–422.99)
423: Other pericardial diseases (423.0–423.9)
424: Other endocardial diseases (424.0–424.99)
425: Cardiomyopathy (425.0–425.9)
428: Heart failure (428.0–428.9)
429: Complications and poorly defined descriptions of heart disease (429.0–429.9)
Cerebrovascular disease
430: Subarachnoid Haemorrhage
431: Intracerebral haemorrhage
432: Other nonspecific intracranial haemorrhages (432.0–432.9)
433: Stenosis and occlusion of the pre-cerebral arteries (433.0–433.9)
434: Occlusion of the cerebral arteries (434.0–434.9)
436: Acute but poorly defined cerebrovascular disease
437: Other and poorly defined cerebrovascular diseases (437.0–437.9)
438: Late effects of cerebrovascular disease (438.0–438.9)
Disease of the arteries, arterioles and capillaries
440: Atherosclerosis (440.0–440.9)
441: Aneurysm and aortic dissection (441.0–441.9)
444: Arterial embolism and thrombosis (444.0–444.9)
446: Polyarteritis nodosa and related conditions (446.0–446.7)
447: Other alterations of the arteries and arterioles (447.0–447.9)
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