I21.29
BillableSTEMI involving oth sites
ST elevation (STEMI) myocardial infarction involving other sites
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Acute transmural myocardial infarction of other sites
- Apical-lateral transmural (Q wave) infarction (acute)
- Basal-lateral transmural (Q wave) infarction (acute)
- High lateral transmural (Q wave) infarction (acute)
- Lateral (wall) NOS transmural (Q wave) infarction (acute)
- Posterior (true) transmural (Q wave) infarction (acute)
- Posterobasal transmural (Q wave) infarction (acute)
- Posterolateral transmural (Q wave) infarction (acute)
- Posteroseptal transmural (Q wave) infarction (acute)
- Septal transmural (Q wave) infarction (acute) 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 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 myocardial infarction of posterolateral wall15990001
- Acute myocardial infarction of basal inferior segment of left ventricle70998009
- Acute myocardial infarction of posterobasal wall70998009
- Acute myocardial infarction of septum79009004
- Acute myocardial infarction of septum alone79009004
- Acute septal infarction79009004
- Acute Q wave infarction - lateral233833005
- Acute posterior myocardial infarction233838001
- Acute Q wave myocardial infarction304914007
- Acute Q-wave infarct304914007
- Acute ST segment elevation myocardial infarction of anterior wall703164000
- Acute STEMI (ST elevation myocardial infarction) of anterior wall703164000
- Acute anterior ST segment elevation myocardial infarction703164000
- Acute ST segment elevation myocardial infarction due to occlusion of intermediate artery846683001
- Acute STEMI (ST elevation myocardial infarction) due to occlusion of ramus intermedius artery846683001
- Acute ST segment elevation myocardial infarction of lateral wall15712921000119103
- Acute ST segment elevation myocardial infarction of posterior wall15713041000119103
- Acute ST segment elevation myocardial infarction of posterobasal wall15713201000119105
- Acute ST segment elevation myocardial infarction of posterolateral wall15712841000119100
- Acute ST segment elevation myocardial infarction of septum15713161000119100
UMLS
- Acute transmural myocardial infarction of other sitesC0494579
- Apical-lateral transmural (Q wave) infarction (acute)C2882109
- Basal-lateral transmural (Q wave) infarction (acute)C2882110
- High lateral transmural (Q wave) infarction (acute)C2882111
- Lateral (wall) NOS transmural (Q wave) infarction (acute)C2882112
- Posterior (true) transmural (Q wave) infarction (acute)C2882113
- Posterobasal transmural (Q wave) infarction (acute)C2882114
- Posterolateral transmural (Q wave) infarction (acute)C2882115
- Posteroseptal transmural (Q wave) infarction (acute)C2882116
- ST elevation (STEMI) myocardial infarction involving other sitesC2882118
- STEMI involving oth sitesC2882118
- Septal transmural (Q wave) infarction (acute) NOSC2882117
Frequently Asked Questions
What is the ICD-10 code for stemi involving oth sites?
The ICD-10-CM code for stemi involving oth sites is I21.29. The full clinical description is "ST elevation (STEMI) myocardial infarction involving other sites". I21.29 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code I21.29 mean?
ICD-10-CM code I21.29 represents "ST elevation (STEMI) myocardial infarction involving other sites". 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 I21.29 a billable code?
Yes, I21.29 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is I21.29 in?
I21.29 is in Chapter 9: Diseases of the Circulatory System (codes I00-I99).
Are additional codes required with I21.29?
Yes, when using I21.29 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 I21.29 map to?
I21.29 maps to 13 SNOMED CT concepts: 233833005, 304914007, 846683001, 703164000, 15712921000119103, and 8 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for I21.29?
I21.29 is linked to 11 UMLS Concept Unique Identifiers: C0494579, C2882109, C2882110, C2882111, C2882112, and 6 more. 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.