ST elevation (STEMI) myocardial infarction of inferior wall
ICD-10 I21.1 is a used to indicate a diagnosis of st elevation (stemi) myocardial infarction of inferior wall.
I21.1 refers to ST elevation myocardial infarction (STEMI) of the inferior wall, a critical cardiovascular condition characterized by the occlusion of the right coronary artery (RCA) or the left circumflex artery (LCx), leading to ischemia and necrosis of the inferior myocardial wall. Clinically, patients may present with chest pain, shortness of breath, diaphoresis, and nausea. The inferior wall is primarily supplied by the RCA in right-dominant coronary systems, and ischemia can lead to complications such as arrhythmias, heart failure, or cardiogenic shock. Diagnosis typically involves an electrocardiogram (ECG) showing ST-segment elevation in leads II, III, and aVF, alongside elevated cardiac biomarkers. The progression of the disease can vary, with timely intervention being crucial to minimize myocardial damage. Treatment often includes reperfusion therapy, such as percutaneous coronary intervention (PCI) or thrombolytics, and subsequent management may involve antiplatelet therapy, beta-blockers, and lifestyle modifications.
Standard ICD-10-CM documentation requirements apply
Various clinical presentations within this specialty area
Follow specialty-specific billing guidelines
Standard ICD-10-CM documentation requirements apply
Various clinical presentations within this specialty area
Follow specialty-specific billing guidelines
I21.1 specifically covers ST elevation myocardial infarction affecting the inferior wall of the heart, typically resulting from occlusion of the RCA or LCx. It is characterized by ST-segment elevation in the inferior leads on an ECG and is associated with elevated cardiac enzymes.
I21.1 should be used when the clinical presentation and diagnostic findings confirm an inferior wall STEMI, as indicated by specific ECG changes and symptomatology. It is crucial to differentiate it from other types of myocardial infarctions based on the location of the ischemia.
Documentation for I21.1 should include a detailed clinical assessment, ECG findings showing ST elevation in leads II, III, and aVF, and laboratory results indicating elevated cardiac biomarkers. Treatment plans and follow-up notes are also essential.
