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Cardiology Coding Alert

Cardiology Coding:

How to Code a Diagnosis of Tetralogy of Fallot

Published on Tue Apr 07, 2026

Question: I am reviewing a pediatric inpatient chart. The patient has a confirmed diagnosis of tetralogy of Fallot (TOF), a congenital heart defect that includes pulmonary stenosis, ventricular septal defect (VSD), overriding aorta, and right ventricular hypertrophy. The provider documents the diagnosis in the history and physical and confirms that the patient has not yet undergone surgical repair. What ICD-10-CM [...]
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