I21.29Billable
ST elevation (STEMI) myocardial infarction involving other sites
Chapter 9: Diseases of the circulatory system
Inclusion Terms
10 items
Inclusion Terms
- •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
Billable Code
I21.29 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Referenced in Diagnoses
Conditions that use this ICD-10 code in their documentation
View documentation for septal infarct
septal infarct
View TemplatesSeptal Infarction
Additional Information from Parent Codes
The following information may apply to this code from its parent codes in the ICD-10 hierarchy. This information is important for proper coding and classification.
Parent Codes Referenced:
Inclusion Terms
1 item
Inclusion Terms
From I21.2:
- •Type 1 ST elevation myocardial infarction of other sites
Includes
7 items
Includes
From I21:
- •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
Excludes2
13 items
Excludes2
From I00-I99:
- •certain conditions originating in the perinatal period (P04-P96)
- •certain infectious and parasitic diseases (A00-B99)
- •
- •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.-)
Use Additional Code
7 items
Use Additional Code
From I21:
- •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)