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The HCPCS Coding Clinic delivers the official guidance published quarterly by the American Hospital Association (AHA) Central Office on correct HCPCS level II code usage. Each issue offers consistent and accurate advice for the proper use of HCPCS and includes information on HCPCS reporting for hospitals HCPCS Level 1 (CPT®) and Level II codes, the latest code assignments from emerging technologies, and real examples.

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ICD-10 Code for Non-ST elevation (NSTEMI) myocardial infarction

I21.4

ICD-10 code I21.4 for Non-ST elevation (NSTEMI) myocardial infarction is a medical classification as listed by WHO under the range - Diseases of the circulatory system .

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Coding
Official Long Descriptor
Non-ST elevation (NSTEMI) myocardial infarction
Acute subendocardial myocardial infarction
Non-Q wave myocardial infarction NOS
Nontransmural myocardial infarction NOS
Type 1 non-ST elevation myocardial infarction

I21

Excludes2: old myocardial infarction (I25.2)
postmyocardial infarction syndrome (I24.1)
subsequent type 1 myocardial infarction (I22.-)

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)

Seventh Character Notes
Category Notes
Chapter Specific Coding Guidelines
Articles
Cross References
ICD-9-CM↔ICD-10-CM
November 01, 2017
ICD10 updates for 2018 acknowledge two types of acute myocardial infarction to differentiate document and code. By Artemio Castillejos CPC CPMA CCVTC CCS CL6SGB Proper documentation and coding of cond... [ Read Full Story ]
October 01, 2017
Review the new guidelines to ensure clinician documentation supports diagnosis coding. The 2018 ICD10CM Official Guidelines for Coding and Reporting includes a dozen substantive changes in Section I a... [ Read Full Story ]
July 24, 2017
Regarding coding for Type 2 Myocardial Infarction per Coding Clinic 1st Quarter 2017 Question If a provider documents type 2 myocardial infarction T2MI due to demand ischemia how should it be coded An... [ Read Full Story ]
August 01, 2016
Be sure documentation proves the device is necessary and determine the proper diagnosis code. Medicare defines the requirements for coverage of an implantable cardioverterdefibrillator ICD insertion i... [ Read Full Story ]
February 01, 2012
Clean claims require a healthy balance of anatomy and pathophysiology knowledge as well as proper documentation. By Jana Purrell CPC CPCI CEMC A myocardial infarction MI or acute myocardial infarction... [ Read Full Story ]
May 21, 2018
Forum: Anesthesia Posted By: tessie_4ahl Post Time: 05-21-2018 at 08:58 AM... [ Read Full Story ]
May 21, 2018
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May 15, 2018
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May 14, 2018
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May 11, 2018
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May 11, 2018
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April 30, 2018
Forum: Anesthesia Posted By: jennifers Post Time: 04-30-2018 at 10:50 AM... [ Read Full Story ]
April 27, 2018
Forum: Anesthesia Posted By: praveensain Post Time: 04-27-2018 at 08:41 AM... [ Read Full Story ]
April 27, 2018
Forum: Anesthesia Posted By: lcole7465 Post Time: 04-27-2018 at 08:20 AM... [ Read Full Story ]
April 27, 2018
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