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 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.-)
- old myocardial infarction (I25.2)
- postmyocardial infarction syndrome (I24.1)
- subsequent type 1 myocardial infarction (I22.-)
Use Additional Code
Additional codes that should follow this code
- 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)
Code Also
A second code may be required; sequencing depends on circumstances
- the presence of hypertension (I10-I1A)
Also Known As / Clinical Terms
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
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 you should also code: 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.
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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.