Single ventricle
Hypoplastic left atrioventricular valve papillary muscle
Imperforate left atrioventricular valve
DIRV - Double inlet right ventricle
Straddling left atrioventricular valve
Congenital absence of papillary muscle
Unguarded right atrioventricular valve orifice
Congenital abnormality of right atrioventricular valve papillary muscle
Congenital abnormality of right atrioventricular valve chordae tendinae in double inlet ventricle
Abnormality of left atrioventricular valve papillary muscle
Right atrioventricular valve hypoplasia
Common atrioventricular orifice in double inlet ventricle
Left atrioventricular valve chordae too long
Univentricular heart
Two atrioventricular valves in double inlet ventricle
Complex Single Ventricle
Congenital hypoplastic left atrioventricular valve papillary muscle
Left atrioventricular valvar stenosis in double inlet ventricle
Left atrioventricular valve atresia
DIV - Abnormality of left atrioventricular valve in double inlet ventricle
Absent left atrioventricular valve leaflets
Parachute malformation of right atrioventricular valve
Right atrioventricular valve leaflets absent in double inlet ventricle (unguarded orifice)
Left atrioventricular valve hypoplasia
CT - Abnormality of left atrioventricular chordae tendinae
Congenital abnormality of left atrioventricular valve chordae tendinae in double inlet ventricle
Ventricle, Complex Single
Arcade abnormality of left atrioventricular valve chordae
CT - Abnormality of right atrioventricular chordae tendinae
Congenital abnormality of left atrioventricular valve papillary muscle
Congenital parachute malformation of left atrioventricular valve
Congenital fusion of left atrioventricular valve papillary muscles
Left atrioventricular valve chordae to outlet septum
Left atrioventricular valve chordae too short
Single left ventricle
Common ventricle
Right atrioventricular valve stenosis
True cleft of left atrioventricular valve leaflet
Univentricular Hearts
Double inlet to ventricle of indeterminate morphology
DILV - Double inlet left ventricle
cor triloculare biatriatum
Double inlet right ventricle
Congenital absence of left atrioventricular valve papillary muscle
Functionally univentricular heart
Mucoid thickening of left atrioventricular valve leaflet
Left atrioventricular valve leaflet dysplasia
Ebstein's anomaly of left atrioventricular valve in functionally univentricular heart
Congenital anomaly of left-sided atrioventricular valve in double inlet ventricle
Accessory tissue on left atrioventricular valve leaflet
Congenital cleft of cardiac valve
Complex Single Ventricles
Absent left atrioventricular valve papillary muscle
Mucoid thickening of right atrioventricular valve
Single right ventricle
Abnormality of left atrioventricular valve chordae tendinae
Ebstein's anomaly of left atrioventricular valve
Right atrioventricular valvar leaflets absent in double inlet ventricle (unguarded orifice)
Double inlet to solitary ventricle of indeterminate morphology
Straddling right atrioventricular valve
Abnormality of right atrioventricular valve chords
DIV - Abnormality of right atrioventricular valve in double inlet ventricle
Parachute malformation of left atrioventricular valve
Overriding right atrioventricular valve
Double inlet left ventricle
Congenital anomaly of right-sided atrioventricular valve in double inlet ventricle
Double orifice of left atrioventricular valve
Left atrioventricular valve prolapse
Double orifice of right atrioventricular valve in double inlet ventricle
Left atrioventricular valve dysplasia
Right atrioventricular valve dysplasia
Absence of interventricular septum
Double inlet ventricle (disorder)
Common Ventricle Disorder
Congenital abnormality of left atrioventricular valve in double inlet ventricle
Common ventricle (disorder)
Abnormality of right atrioventricular valve papillary muscle
Congenital abnormality of right atrioventricular valve papillary muscle in double inlet ventricle
Left atrioventricular valve leaflet abnormality
Absent right atrioventricular valve leaflets
Congenital abnormality of right atrioventricular valve in double inlet ventricle
Ebstein anomaly of left atrioventricular valve
Abnormality of left atrioventricular valve chords
Abnormality of right atrioventricular valve in double inlet ventricle
ventricle common
Fused left atrioventricular valve papillary muscles
Congenital parachute malformation of right atrioventricular valve
Functional single ventricle
Left atrioventricular valve stenosis in double inlet ventricle
DIIV - Double inlet indeterminate ventricle
Mucoid thickening of left atrioventricular valve
Solitary ventricle of indeterminate morphology
Double orifice of right atrioventricular valve
Left atrioventricular valve stenosis
Overriding left atrioventricular valve
Ebstein anomaly of left atrioventricular valve in functionally univentricular heart
Straddling tricuspid valve
Congenital abnormality of right atrioventricular valve leaflet in double inlet ventricle
DIV - Double inlet ventricle
Hypoplasia of left atrioventricular valve annulus in double inlet ventricle
Abnormality of right atrioventricular valve chordae tendinae
Abnormality of left atrioventricular valve in double inlet ventricle
Unguarded left atrioventricular valve orifice
Hypoplasia of right atrioventricular valve annulus in double inlet ventricle

Frequently Asked Questions

What is the ICD-10 code for double inlet ventricle?

The ICD-10-CM code for double inlet ventricle is Q20.4. The full clinical description is "Double inlet ventricle". Q20.4 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code Q20.4 mean?

ICD-10-CM code Q20.4 represents “Double inlet ventricle”. 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 Q20.4 a billable code?

Yes, Q20.4 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is Q20.4 in?

Q20.4 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).

What codes cannot be used with Q20.4?

Q20.4 has Excludes1 notes indicating codes that cannot be used together with it, including: dextrocardia with situs inversus (Q89.3); mirror-image atrial arrangement with situs inversus (Q89.3).

What SNOMED CT codes does Q20.4 map to?

Q20.4 maps to 66 SNOMED CT concepts: 253501000, 253483002, 253506005, 253473001, 253454000, and 61 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for Q20.4?

Q20.4 is linked to 2 UMLS Concept Unique Identifiers: C0152424, C0344620. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does Q20.4 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like double inlet ventricle 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 Q20.4?

Q20.4 maps to the ICD-11 code: LA89.0 (Double inlet atrioventricular connection).

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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.