Q21.3
BillableTetralogy of Fallot
Tetralogy of Fallot
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Ventricular septal defect with pulmonary stenosis or atresia, dextroposition of aorta and hypertrophy of right ventricle.
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
Related Codes(6)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(107)
SNOMED CT
- Absent pulmonary valve6996004
- Congenital absence of pulmonary valve6996004
- Congenital absence of pulmonic valve6996004
- Fallot's tetralogy86299006
- Subpulmonic stenosis, ventricular septal defect, overriding aorta, AND right ventricular hypertrophy86299006
- TOF - Tetralogy of Fallot86299006
- Tetralogy of Fallot86299006
- Absent ductus arteriosus92965002
- Congenital absence of ductus arteriosus92965002
- Dextratransposition of aorta204299009
- Dextrotransposition of aorta204299009
- Congenital atresia of pulmonary valve204342004
- Imperforate pulmonary valve204342004
- Tetralogy of Fallot with pulmonary stenosis253512000
- Fallot's type pulmonary valve atresia253513005
- Tetralogy of Fallot with atresia of pulmonary valve253513005
- Tetralogy of Fallot with pulmonary valve atresia253513005
- Dextraposition of aorta in Fallot tetralogy253514004
- Dextraposition of aorta in Fallot's tetralogy253514004
- Dextroposition of aorta in tetralogy of Fallot253514004
- Ventricular septal defect in Fallot tetralogy253515003
- Ventricular septal defect in Fallot's tetralogy253515003
- PAVSD - Pulmonary atresia with ventricular septal defect253591008
- Pulmonary atresia with ventricular septal defect253591008
- Congenital abnormality of thoracic aorta and pulmonary arteries271573009
- Tetralogy of Fallot with absent pulmonary valve399228007
- Atrioventricular septal defect associated with tetralogy of Fallot448007000
- Pulmonary atresia with ventricular septal defect of Fallot type448155003
- Anterior deviation of infundibular septum of Fallot type448619007
- Bindewald Ulmer Muller syndrome723336008
- Fallot complex with intellectual disability and growth delay syndrome723336008
- Tetralogy of Fallot with pulmonary atresia and systemic-to-pulmonary collateral artery762433009
- Tetralogy of Fallot with pulmonary atresia co-occurrent with systemic-to-pulmonary collateral artery762433009
- Absence of pulmonary valve, Fallot tetralogy, absence of ductus arteriosus syndrome766976003
- Pulmonary valve agenesis, tetralogy of Fallot, absence of ductus arteriosus syndrome766976003
- Agenesis of artery789097007
UMLS
- Fallot TetralogyC0039685
- Fallot tetralogyC0039685
- Fallot tetralogy ofC0039685
- Fallot's TetralogyC0039685
- Fallot's tetralogyC0039685
- Fallots TetralogyC0039685
- Subpulmonic stenosis, ventricular septal defect, overriding aorta, AND right ventricular hypertrophyC0039685
- TETRALOGY OF FALLOTC0039685
- TOFC0039685
- TOF - Tetralogy of FallotC0039685
- Tetralogy of FallotC0039685
- Tetralogy of Fallot (disorder)C0039685
- Tetralogy, FallotC0039685
- Tetralogy, Fallot'sC0039685
- Tetralogy, FallotsC0039685
- Tetrology of fallotC0039685
- fallot of tetralogyC0039685
- fallot tetralogyC0039685
- fallot's tetralogyC0039685
- fallots tetralogyC0039685
- tetralogy fallotC0039685
- tetralogy of FallotC0039685
- tetralogy of fallotC0039685
- Ventricular septal defect with pulmonary stenosis or atresia, dextroposition of aorta and hypertrophy of right ventricle.C2910129
Clinical Terms
- Absent pulmonary valve
- Pulmonary atresia with ventricular septal defect
- fallot's tetralogy
- Ventricular septal defect with pulmonary stenosis or atresia, dextroposition of aorta and hypertrophy of right ventricle.
- Tetralogy of Fallot with pulmonary stenosis
- Bindewald Ulmer Muller syndrome
- Dextraposition of aorta in Fallot's tetralogy
- Congenital absence of ductus arteriosus
- Dextraposition of aorta in Fallot tetralogy
- Tetralogy, Fallot
- Ventricular septal defect in Fallot tetralogy
- Anterior deviation of infundibular septum of Fallot type
- Absence of pulmonary valve, Fallot tetralogy, absence of ductus arteriosus syndrome
- Tetralogy of Fallot with pulmonary atresia and systemic-to-pulmonary collateral artery
- Congenital atresia of pulmonary valve
- Tetrology of fallot
- Tetralogy of Fallot with pulmonary valve atresia
- Atrioventricular septal defect associated with tetralogy of Fallot
- Agenesis of artery
- Tetralogy, Fallots
- fallot tetralogy
- TOF
- Fallot's type pulmonary valve atresia
- Absent ductus arteriosus
- Dextroposition of aorta in tetralogy of Fallot
- Dextrotransposition of aorta
- Congenital abnormality of thoracic aorta and pulmonary arteries
- Tetralogy of Fallot with absent pulmonary valve
- Ventricular septal defect in Fallot's tetralogy
- Fallot complex with intellectual disability and growth delay syndrome
- Subpulmonic stenosis, ventricular septal defect, overriding aorta, AND right ventricular hypertrophy
- Pulmonary valve agenesis, tetralogy of Fallot, absence of ductus arteriosus syndrome
- Pulmonary atresia with ventricular septal defect of Fallot type
- Tetralogy of Fallot with atresia of pulmonary valve
- TOF - Tetralogy of Fallot
- fallots tetralogy
- Dextratransposition of aorta
- tetralogy fallot
- Fallot tetralogy of
- Imperforate pulmonary valve
- Tetralogy of Fallot (disorder)
- fallot of tetralogy
- PAVSD - Pulmonary atresia with ventricular septal defect
- Tetralogy of Fallot with pulmonary atresia co-occurrent with systemic-to-pulmonary collateral artery
- Congenital absence of pulmonic valve
- Tetralogy, Fallot's
- Congenital absence of pulmonary valve
Frequently Asked Questions
What is the ICD-10 code for tetralogy of fallot?
The ICD-10-CM code for tetralogy of fallot is Q21.3. The full clinical description is "Tetralogy of Fallot". Q21.3 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code Q21.3 mean?
ICD-10-CM code Q21.3 represents “Tetralogy of Fallot”. It is classified under Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities and is a billable/specific code that can be used on a claim.
Is Q21.3 a billable code?
Yes, Q21.3 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is Q21.3 in?
Q21.3 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).
What codes cannot be used with Q21.3?
Q21.3 has Excludes1 notes indicating codes that cannot be used together with it, including: acquired cardiac septal defect (I51.0).
What SNOMED CT codes does Q21.3 map to?
Q21.3 maps to 19 SNOMED CT concepts: 766976003, 92965002, 6996004, 789097007, 448619007, and 14 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for Q21.3?
Q21.3 is linked to 2 UMLS Concept Unique Identifiers: C0039685, C2910129. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does Q21.3 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like tetralogy of fallot affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of Q21.3?
Q21.3 maps to the ICD-11 code: LA88.2Z (Tetralogy of Fallot, unspecified).
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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.