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ICD-10-CM Code I21.01
ST elevation (STEMI) myocardial infarction involving left main coronary artery

BILLABLE
Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
Adult Only
Adult Only
Code is only used for patients 15 years old or older.
| ICD-10 from 2011 - 2016

I21.01 is a billable ICD code used to specify a diagnosis of sT elevation (STEMI) myocardial infarction involving left main coronary artery. A 'billable code' is detailed enough to be used to specify a medical diagnosis.


The ICD code I21 is used to code Coronary artery disease

Coronary artery disease (CAD), also known as ischemic heart disease (IHD), is a group of diseases that includes: stable angina, unstable angina, myocardial infarction, and sudden coronary death. It is within the group of cardiovascular diseases of which it is the most common type. A common symptom is chest pain or discomfort which may travel into the shoulder, arm, back, neck, or jaw. Occasionally it may feel like heartburn. Usually symptoms occur with exercise or emotional stress, last less than a few minutes, and get better with rest. Shortness of breath may also occur and sometimes no symptoms are present. The first sign is occasionally a heart attack. Other complications include heart failure or an irregular heartbeat.

Specialty: Cardiology, Cardiac Surgery
MeSH Codes: D003324, D003324, D003324, D003324, D003324, D003324
ICD 9 Codes: 410, 411, 412, 413, 414, 429.2

Illustration depicting atherosclerosis in a coronary artery.

Source: Wikipedia

MS-DRG Mapping

  • DRG Group #222-227 - Cardiac defibrillator implant with cardiac catheterization with ami or hf or shock with MCC.
  • DRG Group #222-227 - Cardiac defibrillator implant with cardiac catheterization with ami or hf or shock without MCC.
  • DRG Group #222-227 - Cardiac defibrillator implant with cardiac catheterization without ami or hf or shock with MCC.
  • DRG Group #222-227 - Cardiac defibrillator implant with cardiac catheterization without ami or hf or shock without MCC.
  • DRG Group #222-227 - Cardiac defibrillator implant without cardiac catheterization with MCC.
  • DRG Group #222-227 - Cardiac defibrillator implant without cardiac catheterization without MCC.
  • DRG Group #280-285 - Acute myocardial infarction, discharged alive with MCC.
  • DRG Group #280-285 - Acute myocardial infarction, discharged alive with CC.
  • DRG Group #280-285 - Acute myocardial infarction, discharged alive without CC or MCC.
  • DRG Group #280-285 - Acute myocardial infarction, expired with MCC.
  • DRG Group #280-285 - Acute myocardial infarction, expired with CC.
  • DRG Group #280-285 - Acute myocardial infarction, expired without CC or MCC.

ICD-10-CM Alphabetical Index References for 'I21.01 - ST elevation (STEMI) myocardial infarction involving left main coronary artery'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code I21.01. Click on any term below to browse the alphabetical index.

Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)

Acute myocardial infarction of other anterior wall, initial episode of care (approximate match)

This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code I21.01 and a single ICD9 code, 410.11 is an approximate match for comparison and conversion purposes.


Parent Code: I21.0 - ST elevation (STEMI) myocardial infarction of anterior wall

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/I2101