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ICD-10-CM Code for Acute myocardial infarction I21

ICD-10 code I21 for Acute myocardial infarction is a medical classification as listed by WHO under the range - Diseases of the circulatory system .

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Official Long Descriptor

Acute myocardial infarction
Includes: 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
Use additional code, if applicable, to identify:
exposure to environmental tobacco smoke (Z77.22)
history of tobacco dependence (Z87.891)
occupational exposure to environmental tobacco smoke (Z57.31)
status post administration of tPA (rtPA) in a different facility within the last 24 hours prior to admission to current facility (Z92.82)
tobacco dependence (F17.-)
tobacco use (Z72.0)
Excludes2: old myocardial infarction (I25.2)
postmyocardial infarction syndrome (I24.1)
subsequent type 1 myocardial infarction (I22.-)
 
I21 Acute myocardial infarction
Child Code
ST elevation (STEMI) myocardial infarction of anterior wall
Child Code
ST elevation (STEMI) myocardial infarction of inferior wall
Child Code
ST elevation (STEMI) myocardial infarction of other sites
Child Code
ST elevation (STEMI) myocardial infarction of unspecified site
Child Code
Non-ST elevation (NSTEMI) myocardial infarction
Child Code
Acute myocardial infarction, unspecified
Child Code
Other type of myocardial infarction
Child Code
Myocardial infarction with coronary microvascular dysfunction

Additional/Related Information

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Get crucial instructions for accurate ICD-10-CM I21 coding with all applicable Excludes 1 and Excludes 2 notes from the section level conveniently shown with each code.
This section shows you chapter-specific coding guidelines to increase your understanding and correct usage of the target ICD-10-CM Volume 1 code.

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Have a question about ICD-10-CM Code I21 ? Start a discussion here
Need help figuring out what to charge.
[HEADING=1]Procedures[/HEADING] ... [ Read More ]
92941 or 92928
[B]When coding MI's -I've seen where it is said there should be no antegrade flow and others where flow is not mentioned, just that to be able to code 92941-- the patient has to be having the MI. Wh... [ Read More ]
Dx. for HTN with NSTEMI
I22.4 id not a valid dx. I don't believe there is a combination code for this, so I would code the NSTEMI, I21.4 and also the HTN, I10.... [ Read More ]
Correct use of I25.2 for Old MI
Per the ICD-10 guidelines: [I]For encounters after the 4 week time frame and the patient is still receiving care related to the myocardial infarction, the appropriate aftercare code should be assigne... [ Read More ]
Cath, PCI, and more
[TABLE] [TR] [TD][SIZE=3][/SIZE][/TD] [TD][SIZE=3][/SIZE][/TD] [TD][SIZE=3][/SIZE][/TD] [/TR] [TR] [TD][TABLE] [TR] [TD]CAN I GET HELP WITH THE CODING FOR THIS, THANK YOU!! [/TD] [/TR] [/TABLE][/TD]... [ Read More ]
Mycardio Infarction Coding
I recommend reviewing the Chapter 9 guidelines in ICD-10 which address coding of myocardial infarctions in detail in section e. As quoted below, an MI is coded differently depending on how recently i... [ Read More ]
MI codes I21.A1 vs I21.4
on further review, the code also note no longer exists with I21.A1 it is now a codes first note so I went to the coding clinic and it does state that there must be a cause and effect relationship so t... [ Read More ]
MI codes I21.A1 vs I21.4
So we just code it as I21.A1 without the tachycardia bec we cannot code it as paroxysmal tachycardia ? Under the definition in the book, Code also the underlying cause, if known and applicable, such a... [ Read More ]
MI codes I21.A1 vs I21.4
For the MI - a type 2 NSTEMI is secondary to ischemia from a supply and demand mismatch. It is marked by nonST elevation. So you see the term type 2 MI is the same as saying type 2 MI and so they cr... [ Read More ]
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