ISCHEMIC HEART DISEASE (ICD 9 CODES: 410-414)
Includes: that with mention of hypertension
Use additional code to identify presence of hypertension (401.0-405.9)
Includes: cardiac infarction
coronary (artery):
embolism
occlusion
rupture
thrombosis
infarction of heart, myocardium, or ventricle
rupture of heart, myocardium, or ventricle
ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction
any condition classifiable to 414.1-414.9 specified as acute or with a stated duration of 8 weeks or less
The following fifth-digit subclassification is for use with category 410:
0 episode of care unspecified
Use when the source document does not contain sufficient information for the assignment of fifth-digit 1 or 2.
1 initial episode of care
Use fifth-digit 1 to designate the first episode of care (regardless of facility site) for a newly diagnosed myocardial infarction. The fifth-digit 1 is assigned regardless of the number of times a patient may be transferred during the initial episode of care.
2 subsequent episode of care
Use fifth-digit 2 to designate an episode of care following the initial episode when the patient is admitted for further observation, evaluation or treatment for a myocardial infarction that has received initial treatment, but is still less than 8 weeks old.
[0-2]
ST elevation myocardial infarction (STEMI) of anterolateral wall
[0-2]
Infarction:
anterior (wall) NOS (with contiguous portion of intraventricular septum)
anteroapical (with contiguous portion of intraventricular septum)
anteroseptal (with contiguous portion of intraventricular septum)
ST elevation myocardial infarction (STEMI) of other anterior wall
[0-2]
ST elevation myocardial infarction (STEMI) of inferolateral wall
[0-2]
ST elevation myocardial infarction (STEMI) of inferoposterior wall
[0-2]
Infarction:
diaphragmatic wall NOS (with contiguous portion of intraventricular septum)
inferior (wall) NOS (with contiguous portion of intraventricular septum)
ST elevation myocardial infarction (STEMI) of other inferior wall
[0-2]
Infarction:
apical-lateral
basal-lateral
high lateral
posterolateral
ST elevation myocardial infarction (STEMI) of other lateral wall
[0-2]
Infarction:
posterobasal
strictly posterior
ST elevation myocardial infarction (STEMI) of true posterior wall
[0-2]
Non-ST elevation myocardial infarction (NSTEMI)
Nontransmural infarction
[0-2]
Infarction of:
atrium
papillary muscle
septum alone
ST elevation myocardial infarction (STEMI) of other specified sites
[0-2]
Acute myocardial infarction NOS
Coronary occlusion NOS
Myocardial infarction NOS
Dressler's syndrome
Impending infarction
Preinfarction angina
Preinfarction syndrome
Unstable angina
Excludes: angina (pectoris) (413.9)
decubitus (413.0)
Acute coronary (artery):
embolism without or not resulting in myocardial infarction
obstruction without or not resulting in myocardial infarction
occlusion without or not resulting in myocardial infarction
thrombosis without or not resulting in myocardial infarction
Excludes: obstruction without infarction due to atherosclerosis (414.00-414.07)
occlusion without infarction due to atherosclerosis (414.00-414.07)
Coronary insufficiency (acute)
Subendocardial ischemia
Healed myocardial infarction
Past myocardial infarction diagnosed on ECG [EKG] or other special investigation, but currently presenting no symptoms
Nocturnal angina
Variant angina pectoris
Angina:
NOS
cardiac
equivalent
of effort
Anginal syndrome
Status anginosus
Stenocardia
Syncope anginosa
Use additional code(s) for symptoms associated with angina equivalent
Excludes: preinfarction angina (411.1)
Excludes: arteriosclerotic cardiovascular disease [ASCVD] (429.2)
cardiovascular:
arteriosclerosis or sclerosis (429.2)
degeneration or disease (429.2)
Arteriosclerotic heart disease [ASHD]
Atherosclerotic heart disease
Coronary (artery):
arteriosclerosis
arteritis or endarteritis
atheroma
sclerosis
stricture
Use additional code, if applicable, to identify chronic total occlusion of coronary artery (414.2)
Excludes: embolism of graft (996.72)
occlusion NOS of graft (996.72)
thrombus of graft (996.72)
Internal mammary artery
Bypass graft NOS
Aneurysm (arteriovenous):
mural
ventricular
Aneurysm (arteriovenous) of coronary vessels
Arteriovenous fistula, acquired, of heart
Complete occlusion of coronary artery
Total occlusion of coronary artery
Code first coronary atherosclerosis (414.00-414.07)
Excludes: acute coronary occlusion with myocardial infarction (410.00-410.92)
acute coronary occlusion without myocardial infarction (411.81)
Code first coronary atherosclerosis (414.00-414.07)
Coronary atherosclerosis due to severely calcified coronary lesion
Code first coronary atherosclerosis (414.00-414.07)
Chronic coronary insufficiency
Ischemia, myocardial (chronic)
Any condition classifiable to 410 specified as chronic, or presenting with symptoms after 8 weeks from date of infarction
Excludes: coronary insufficiency (acute) (411.89)
Ischemic heart disease NOS
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