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ICD-10-CM Code I21
ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction

NON-BILLABLE
Non-Billable Code
Non-Billable means the code is not sufficient justification for admission to an acute care hospital when used a principal diagnosis. Use a child code to capture more detail.
| ICD-10 from 2011 - 2016

ICD Code I21 is a non-billable code. To code a diagnosis of this type, you must use one of the five child codes of I21 that describes the diagnosis 'stemi & nstemi mocard infrc' in more detail.


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

Coding Notes for I21 Info for medical coders on how to properly use this ICD-10 code

Code Includes Notes:
Includes
Includes notes further define, or give examples of, conditions included in the section.
Cardiac infarction
Coronary (artery) embolism
Coronary (artery) occlusion
Coronary (artery) rupture
Coronary (artery) thrombosis
Infarction of heart, myocardium, or ventricle
Myocardial infarction specified as acute or with a stated duration of 4 weeks (28 days) or less from onset
Additional Code Note:
Use Additional Code
Use Additional Code note means a second code must be used in conjunction with this code. Codes with this note are Etiology codes and must be followed by a Manifestation code or codes.
Code, if applicable, to identify:
Exposure to environmental tobacco smoke See code Z77.22
History of tobacco use See code Z87.891
Occupational exposure to environmental tobacco smoke See code Z57.31
Status post administration of tPA (rtPA) in a different facility within the last 24 hours prior to admission to current facility See code Z92.82
Tobacco dependence See code F17.-
Tobacco use See code Z72.0
Code Type-2 Excludes:
Type-2 Excludes
Type-2 Excludes means the excluded conditions are different, although they may appear similar. A patient may have both conditions, but one does not include the other. Excludes 2 means "not coded here."
Old myocardial infarction - instead, use code I25.2
Postmyocardial infarction syndrome - instead, use code I24.1
Subsequent myocardial infarction - instead, use code I22.-

ICD-10-CM Alphabetical Index References for 'I21 - ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction'

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


** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/I21