I21.19
BillableSTEMI involving oth coronary artery of inferior wall
ST elevation (STEMI) myocardial infarction involving other coronary artery of inferior wall
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Acute transmural myocardial infarction of inferior wall
- Inferolateral transmural (Q wave) infarction (acute)
- Transmural (Q wave) infarction (acute) (of) diaphragmatic wall
- Transmural (Q wave) infarction (acute) (of) inferior (wall) NOS
Includes
Conditions included under this code
- 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
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •systemic connective tissue disordersM30-M36
- •transient cerebral ischemic attacks and related syndromesG45
- •old myocardial infarctionI25.2
- •postmyocardial infarction syndromeI24.1
- •subsequent type 1 myocardial infarctionI22
- •ST elevation (STEMI) myocardial infarction involving left circumflex coronary arteryI21.21
Use Additional Code
Additional codes that should follow this code
- code, if applicable, to identify:
- •exposure to environmental tobacco smokeZ77.22
- •history of tobacco dependenceZ87.891
- •occupational exposure to environmental tobacco smokeZ57.31
- •status post administration of tPA (rtPA) in a different facility within the last 24 hours prior to admission to current facilityZ92.82
- •tobacco dependenceF17
- •tobacco useZ72.0
Code Also
A second code may be required; sequencing depends on circumstances
Related Codes(1)
Also Known As / Clinical Terms(60)
SNOMED CT
- Acute inferolateral myocardial infarction65547006
- Acute myocardial infarction of inferolateral wall65547006
- Acute inferior myocardial infarction73795002
- Acute myocardial infarction of diaphragmatic wall73795002
- Acute myocardial infarction of inferior wall73795002
- Acute inferoposterior infarction76593002
- Acute myocardial infarction of inferoposterior wall76593002
- Postoperative myocardial infarction129574000
- Acute Q wave infarction - inferior233829003
- Acute Q wave infarction - inferolateral233831007
- Acute Q wave infarction - lateral233833005
- Acute Q wave myocardial infarction304914007
- Acute Q-wave infarct304914007
- Postoperative transmural myocardial infarction of inferior wall311793000
- Acute ST segment elevation myocardial infarction of inferior wall703213009
- Acute STEMI (ST elevation myocardial infarction) of inferior wall703213009
- Acute inferior ST segment elevation myocardial infarction703213009
- Acute myocardial infarction of inferior wall involving right ventricle703251009
- Acute myocardial infarction of inferior wall with right ventricular involvement703251009
- Acute ST segment elevation myocardial infarction of inferior wall involving right ventricle703253007
- Acute STEMI (ST elevation myocardial infarction) of inferior wall with right ventricular involvement703253007
- Acute inferior ST segment elevation myocardial infarction with right ventricular involvement703253007
- Acute ST segment elevation myocardial infarction of inferolateral wall12238111000119106
- Acute ST segment elevation myocardial infarction of inferoposterior wall12238151000119107
- Acute ST segment elevation myocardial infarction of lateral wall15712921000119103
UMLS
- Acute transmural myocardial infarction of inferior wallC0494578
- Inferolateral transmural (Q wave) infarction (acute)C2882102
- ST elevation (STEMI) myocardial infarction involving other coronary artery of inferior wallC2882105
- STEMI involving oth coronary artery of inferior wallC2882105
- Transmural (Q wave) infarction (acute) (of) diaphragmatic wallC2882103
- Transmural (Q wave) infarction (acute) (of) inferior (wall) NOSC2882104
Clinical Terms
- Transmural (Q wave) infarction (acute) (of) diaphragmatic wall
- Postoperative myocardial infarction
- Acute inferior ST segment elevation myocardial infarction
- Acute ST segment elevation myocardial infarction of inferior wall involving right ventricle
- Acute Q wave infarction - lateral
- Acute myocardial infarction of diaphragmatic wall
- Postoperative transmural myocardial infarction of inferior wall
- Inferolateral transmural (Q wave) infarction (acute)
- Acute ST segment elevation myocardial infarction of inferior wall
- Acute inferior myocardial infarction
- Acute STEMI (ST elevation myocardial infarction) of inferior wall with right ventricular involvement
- Acute ST segment elevation myocardial infarction of inferoposterior wall
- Acute myocardial infarction of inferior wall involving right ventricle
- Acute ST segment elevation myocardial infarction of lateral wall
- Acute myocardial infarction of inferolateral wall
- Acute STEMI (ST elevation myocardial infarction) of inferior wall
- Acute Q wave myocardial infarction
- Acute inferoposterior infarction
- Acute transmural myocardial infarction of inferior wall
- Acute myocardial infarction of inferior wall
- Acute ST segment elevation myocardial infarction of inferolateral wall
- Acute inferolateral myocardial infarction
- Acute myocardial infarction of inferior wall with right ventricular involvement
- Acute inferior ST segment elevation myocardial infarction with right ventricular involvement
- Acute Q wave infarction - inferolateral
- Acute myocardial infarction of inferoposterior wall
- Acute Q wave infarction - inferior
- Transmural (Q wave) infarction (acute) (of) inferior (wall) NOS
- Acute Q-wave infarct
Frequently Asked Questions
What is the ICD-10 code for stemi involving oth coronary artery of inferior wall?
The ICD-10-CM code for stemi involving oth coronary artery of inferior wall is I21.19. The full clinical description is "ST elevation (STEMI) myocardial infarction involving other coronary artery of inferior wall". I21.19 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code I21.19 mean?
ICD-10-CM code I21.19 represents “ST elevation (STEMI) myocardial infarction involving other coronary artery of inferior wall”. It is classified under Chapter 9: Diseases of the Circulatory System and is a billable/specific code that can be used on a claim.
Is I21.19 a billable code?
Yes, I21.19 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is I21.19 in?
I21.19 is in Chapter 9: Diseases of the Circulatory System (codes I00-I99).
Are additional codes required with I21.19?
Yes, when using I21.19, also report: 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).
What SNOMED CT codes does I21.19 map to?
I21.19 maps to 15 SNOMED CT concepts: 233829003, 233831007, 233833005, 304914007, 703213009, and 10 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for I21.19?
I21.19 is linked to 5 UMLS Concept Unique Identifiers: C0494578, C2882102, C2882105, C2882103, C2882104. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does I21.19 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like stemi involving oth coronary artery of inferior wall affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of I21.19?
There is no direct ICD-11 mapping available for I21.19 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.