I21.02
BillableSTEMI involving left anterior descending coronary artery
ST elevation (STEMI) myocardial infarction involving left anterior descending coronary artery
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- ST elevation (STEMI) myocardial infarction involving diagonal coronary artery
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
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(2)
Also Known As / Clinical Terms(38)
SNOMED CT
- Acute ST segment elevation myocardial infarction due to occlusion of proximal portion of anterior descending branch of left coronary artery840309000
- Acute ST segment elevation myocardial infarction due to proximal left anterior descending coronary artery occlusion840309000
- Acute STEMI (ST elevation myocardial infarction) due to proximal LAD (left anterior descending) coronary artery occlusion840309000
- Acute ST segment elevation myocardial infarction due to mid left anterior descending coronary artery occlusion840312002
- Acute ST segment elevation myocardial infarction due to occlusion of mid portion of anterior descending branch of left coronary artery840312002
- Acute STEMI (ST elevation myocardial infarction) due to mid LAD (left anterior descending) coronary artery occlusion840312002
- Acute ST segment elevation myocardial infarction due to distal left anterior descending coronary artery occlusion840316004
- Acute ST segment elevation myocardial infarction due to occlusion of distal portion of anterior descending branch of left coronary artery840316004
- Acute STEMI (ST elevation myocardial infarction) due to distal LAD (left anterior descending) coronary artery occlusion840316004
- Acute ST segment elevation myocardial infarction due to left anterior descending coronary artery occlusion840609007
- Acute ST segment elevation myocardial infarction due to occlusion of anterior descending branch of left coronary artery840609007
- Acute STEMI (ST segment elevation myocardial infarction) due to LAD (left anterior descending) coronary artery occlusion840609007
- Acute ST segment elevation myocardial infarction due to occlusion of septal branch of anterior descending branch of left coronary artery840680009
- Acute STEMI (ST elevation myocardial infarction) due to septal branch of anterior descending branch of left coronary artery occlusion840680009
- Acute ST segment elevation myocardial infarction due to occlusion of diagonal branch of anterior descending branch of left coronary artery846668006
- Acute STEMI (ST elevation myocardial infarction) due to occlusion of diagonal branch of anterior descending branch of left coronary artery846668006
- Acute ST segment elevation myocardial infarction involving left anterior descending coronary artery285981000119103
UMLS
Clinical Terms
- Acute ST segment elevation myocardial infarction due to occlusion of distal portion of anterior descending branch of left coronary artery
- Acute ST segment elevation myocardial infarction due to occlusion of mid portion of anterior descending branch of left coronary artery
- Acute STEMI (ST elevation myocardial infarction) due to occlusion of diagonal branch of anterior descending branch of left coronary artery
- ST elevation (STEMI) myocardial infarction involving diagonal coronary artery
- Acute ST segment elevation myocardial infarction due to proximal left anterior descending coronary artery occlusion
- Acute ST segment elevation myocardial infarction due to occlusion of diagonal branch of anterior descending branch of left coronary artery
- Acute STEMI (ST elevation myocardial infarction) due to mid LAD (left anterior descending) coronary artery occlusion
- Acute ST segment elevation myocardial infarction due to occlusion of proximal portion of anterior descending branch of left coronary artery
- Acute STEMI (ST segment elevation myocardial infarction) due to LAD (left anterior descending) coronary artery occlusion
- Acute STEMI (ST elevation myocardial infarction) due to septal branch of anterior descending branch of left coronary artery occlusion
- Acute ST segment elevation myocardial infarction due to mid left anterior descending coronary artery occlusion
- Acute STEMI (ST elevation myocardial infarction) due to proximal LAD (left anterior descending) coronary artery occlusion
- Acute ST segment elevation myocardial infarction due to occlusion of septal branch of anterior descending branch of left coronary artery
- Acute ST segment elevation myocardial infarction involving left anterior descending coronary artery
- Acute ST segment elevation myocardial infarction due to left anterior descending coronary artery occlusion
- Acute ST segment elevation myocardial infarction due to occlusion of anterior descending branch of left coronary artery
- Acute ST segment elevation myocardial infarction due to distal left anterior descending coronary artery occlusion
- Acute STEMI (ST elevation myocardial infarction) due to distal LAD (left anterior descending) coronary artery occlusion
Frequently Asked Questions
What is the ICD-10 code for stemi involving left anterior descending coronary artery?
The ICD-10-CM code for stemi involving left anterior descending coronary artery is I21.02. The full clinical description is "ST elevation (STEMI) myocardial infarction involving left anterior descending coronary artery". I21.02 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code I21.02 mean?
ICD-10-CM code I21.02 represents “ST elevation (STEMI) myocardial infarction involving left anterior descending coronary artery”. 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 I21.02 a billable code?
Yes, I21.02 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is I21.02 in?
I21.02 is in Chapter 9: Diseases of the Circulatory System (codes I00-I99).
Are additional codes required with I21.02?
Yes, when using I21.02, 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 I21.02 map to?
I21.02 maps to 7 SNOMED CT concepts: 840316004, 840609007, 840312002, 846668006, 840309000, and 2 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for I21.02?
I21.02 is linked to 2 UMLS Concept Unique Identifiers: C2882092, C2882093. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does I21.02 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like stemi involving left anterior descending coronary artery 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 I21.02?
There is no direct ICD-11 mapping available for I21.02 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.