ICD-10-CM Diagnosis Code (2025)
Official Description for Q21.3
Tetralogy of Fallot
Coding Notes & Guidelines for Q21.3
Inclusion Terms
Ventricular septal defect with pulmonary stenosis or atresia, dextroposition of aorta and hypertrophy of right ventricle.
Parent Code (Less Specific):
About ICD-10-CM Code Q21.3 (Tetralogy of Fallot)
ICD-10-CM code Q21.3 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM Q21.3 became effective on October 1, 2024.
This page provides detailed information about Q21.3 - Tetralogy of Fallot. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Tetralogy of Fallot.