AutoICD API

Q21.23

Billable

Complete atrioventricular septal defect

Complete atrioventricular septal defect

Status

Billable / Specific

Parent Code

Q21.2

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Common atrioventricular canal
  • Common atrioventricular septal defect
  • Common endocardial cushion defect
  • Ostium primum atrial septal defect (type I) with common atrioventricular valve and a moderate or larger inlet VSD

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(3)
Q21.20

Atrioventricular septal defect, unsp as to part or complete

BillableQ21.21

Partial atrioventricular septal defect

BillableQ21.22

Transitional atrioventricular septal defect

Billable
Also Known As / Clinical Terms(135)

SNOMED CT

UMLS

Clinical Terms

  • Common endocardial cushion defect
  • Parachute malformation of common atrioventricular valve
  • Abnormality of atrioventricular valve chordae in common atrioventricular junction
  • Common atrioventricular canal (disorder)
  • Persistent Atrioventricular Canal
  • Abnormality of common atrioventricular valve chordae tendinae
  • Ostium primum atrial septal defect (type I) with common atrioventricular valve and a moderate or larger inlet VSD
  • Prolapse of atrioventricular valve leaflet in atrioventricular septal defect
  • CT - Abnormality of common atrioventricular chordae tendinae
  • Triple orifice of left ventricular component of common atrioventricular valve
  • Abnormality of atrioventricular valve chordae in atrioventricular septal defect
  • Atrioventricular septal defect and common atrioventricular junction
  • True cleft of common atrioventricular valve leaflet
  • Common atrioventricular valve prolapse
  • Endocardial cushion defect
  • Common atrium
  • Complete atrioventricular canal
  • Atrioventricular septal defect, atrial and ventricular components with common atrioventricular valve with unbalanced commitment of valve to left ventricle
  • Complete common AV canal
  • Atrioventricular valve chordae in common atrioventricular junction too long
  • Abnormality of common atrioventricular valve in atrioventricular septal defect
  • Atrioventricular valve chordae in atrioventricular septal defect too short
  • Abnormality of atrioventricular valve papillary muscle in common atrioventricular junction
  • Atrioventricular valve chordae in common atrioventricular junction too short
  • Common atrioventricular orifice in double inlet ventricle
  • Common atrium with common atrioventricular junction
  • True cleft of atrioventricular valve leaflet in atrioventricular septal defect
  • Atrioventricular valve chordae in common atrioventricular junction
  • Common atrioventricular-type ventricular septal defect
  • Hypoplastic common atrioventricular valve papillary muscle
  • Atrioventricular septal defect, atrial and ventricular components with common atrioventricular valve with unbalanced commitment of valve to right ventricle
  • Hypoplasia of common atrioventricular valve
  • Accessory tissue on common atrioventricular valve leaflet
  • Abnormality of atrioventricular valve papillary muscle in atrioventricular septal defect
  • Abnormality of common atrioventricular valve papillary muscle
  • Common atrioventricular junction with spontaneous fibrous closure of atrioventricular septal defect
  • True cleft of atrioventricular valve leaflet in common atrioventricular junction
  • Common atrioventricular valve
  • Atrioventricular valve chordae to outlet septum in atrioventricular septal defect
  • Atrioventricular canal type ventricular septal defect
  • Abnormality of common atrioventricular valve chords
  • Congenital cleft of cardiac valve
  • Common atrioventricular valve chordae too short
  • Endocardial cushion defect, complete type
  • Complete atrioventricular canal defect
  • Atrioventricular canal, NOS
  • Double orifice of common atrioventricular valve
  • Prolapse of atrioventricular valve leaflet in common atrioventricular junction
  • Cor triloculare biventriculare
  • Common atrioventricular valve chordae too long
  • Fused common atrioventricular valve papillary muscle
  • Common atrioventricular valvar abnormality
  • Common atrioventricular junction
  • Accessory tissue on atrioventricular valve leaflet in atrioventricular septal defect
  • Arcade abnormality of common atrioventricular valve chordae
  • Common atrioventricular valve chordae to outlet septum
  • Common atrioventricular septal defect
  • Accessory tissue on atrioventricular valve leaflet in common atrioventricular junction
  • Congenital absence of atrial septum
  • Atrioventricular valve chordae in atrioventricular septal defect too long
  • Atrioventricular septal defect with common atrioventricular orifice
  • Atrioventricular septal defect: atrial and ventricular components
  • Common atrioventricular valve with unbalanced commitment of valve to left ventricle
  • Common atrioventricular canal
  • Abnormality of valve guarding common atrioventricular junction
Frequently Asked Questions
What is the ICD-10 code for complete atrioventricular septal defect?

The ICD-10-CM code for complete atrioventricular septal defect is Q21.23. The full clinical description is "Complete atrioventricular septal defect". Q21.23 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code Q21.23 mean?

ICD-10-CM code Q21.23 represents “Complete atrioventricular septal defect”. 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 Q21.23 a billable code?

Yes, Q21.23 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is Q21.23 in?

Q21.23 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).

What codes cannot be used with Q21.23?

Q21.23 has Excludes1 notes indicating codes that cannot be used together with it, including: acquired cardiac septal defect (I51.0).

What SNOMED CT codes does Q21.23 map to?

Q21.23 maps to 30 SNOMED CT concepts: 253444004, 253449009, 253428008, 253440008, 253448001, and 25 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for Q21.23?

Q21.23 is linked to 4 UMLS Concept Unique Identifiers: C0221215, C5676501, C5676502, C5676503. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does Q21.23 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like complete atrioventricular septal defect 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 Q21.23?

There is no direct ICD-11 mapping available for Q21.23 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.

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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.