Kode Icd 10 Nstemi

Guide For Icd 10 S And Ambulance Services

2020 ICD-10-CM Diagnosis Code I21.4

2016

2017

2018

2019

2020

Billable/Specific Code

I21.4 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2020 edition of ICD-10-CM I21.4 became effective on October 1, 2019.
This is the American ICD-10-CM version of I21.4 - other international versions of ICD-10 I21.4 may differ.

Applicable To

Acute subendocardial myocardial infarction
Non-Q wave myocardial infarction NOS
Nontransmural myocardial infarction NOS
Type 1 non-ST elevation myocardial infarction

The following code(s) above I21.4 contain annotation back-references

Annotation Back-References

In this context, annotation back-references refer to codes that contain:

Applicable To annotations, or
Code Also annotations, or
Code First annotations, or
Excludes1 annotations, or
Excludes2 annotations, or
Includes annotations, or
Note annotations, or
Use Additional annotations

that may be applicable to I21.4:

I00-I99
2020 ICD-10-CM Range I00-I99
Diseases of the circulatory system
Type 2 Excludes
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- systemic connective tissue disorders (M30-M36)
- transient cerebral ischemic attacks and related syndromes (G45.-)
Diseases of the circulatory system
I20-I25
2020 ICD-10-CM Range I20-I25
Ischemic heart diseases
Use Additional
- code to identify presence of hypertension (I10-I16)
Ischemic heart diseases
I21
ICD-10-CM Diagnosis Code I21
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
Type 2 Excludes
- old myocardial infarction (I25.2)
- postmyocardial infarction syndrome (I24.1)
- subsequent type 1 myocardial infarction (I22.-)
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)
Acute myocardial infarction

Approximate Synonyms

Acute non-st segment elevation myocardial infarction
Heart attack

Clinical Information

A myocardial infarction in the absence of observable q wave abnormalities in the ecg.

ICD-10-CM I21.4 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):

222 Cardiac defibrillator implant with cardiac catheterization with ami/hf/shock with mcc
223 Cardiac defibrillator implant with cardiac catheterization with ami/hf/shock without mcc
280 Acute myocardial infarction, discharged alive with mcc
281 Acute myocardial infarction, discharged alive with cc
282 Acute myocardial infarction, discharged alive without cc/mcc
283 Acute myocardial infarction, expired with mcc
284 Acute myocardial infarction, expired with cc
285 Acute myocardial infarction, expired without cc/mcc