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2009 ICD-9-CM
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410 Acute myocardial infarction
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. | |
 | 410.0 Of anterolateral wall
[0-2]
ST elevation myocardial infarction (STEMI) of anterolateral wall |
| 410.1 Of other anterior 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 |
| 410.2 Of inferolateral wall
[0-2]
ST elevation myocardial infarction (STEMI) of inferolateral wall |
| 410.3 Of inferoposterior wall
[0-2]
ST elevation myocardial infarction (STEMI) of inferoposterior wall |
| 410.4 Of other inferior 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 |
| 410.5 Of other lateral wall
[0-2]
Infarction:
apical-lateral
basal-lateral
high lateral
posterolateral
ST elevation myocardial infarction (STEMI) of other lateral wall |
| 410.6 True posterior wall infarction
[0-2]
Infarction:
posterobasal
strictly posterior
ST elevation myocardial infarction (STEMI) of true posterior wall |
| 410.7 Subendocardial infarction
[0-2]
Non-ST elevation myocardial infarction (NSTEMI)
Nontransmural infarction |
| 410.8 Of other specified sites
[0-2]
Infarction of:
atrium
papillary muscle
septum alone
ST elevation myocardial infarction (STEMI) of other specified sites |
| 410.9 Unspecified site
[0-2]
Acute myocardial infarction NOS
Coronary occlusion NOS
Myocardial infarction NOS |