ICD-9-CM Myocardial Infarction Codes

ICD-9-CM Myocardial Infarction Coding

Category 410 Acute myocardial infarction with following 5th digit

0 episode of care unspecified
1 initial episode of care
2 subsequent episode of care

Subcategories describe the site of infarct as follows

410.0x Of anterolateral wall
ST elevation myocardial infarction (STEMI) of anterolateral wall

410.1x Of other anterior wall

410.2x Of inferolateral wall
ST elevation myocardial infarction (STEMI) of inferolateral wall

410.3x Of inferoposterior wall
ST elevation myocardial infarction (STEMI) of inferoposterior wall

410.4x Of other inferior wall
Infarction diaphragmatic wall (with contiguous portion of intraventricular septum) :: :: Infarction inferior (wall) NOS

410.5x Of other lateral wall

410.6x True posterior wall infarction

410.7x Subendocardial infarction

410.8x Of other specified sites

410.9x Unspecified site

Codes from Category are coded till seveth week and after seven weeks code 412 should be used to indicate MI

ICD-10 I21-I22

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