2017/18 ICD-10-CM Diagnosis Code Q20

Congenital malformations of cardiac chambers and connections

Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as Q20. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • dextrocardia with situs inversus (
    ICD-10-CM Diagnosis Code Q89.3

    Situs inversus

      2016 2017 2018 Billable/Specific Code POA Exempt
    Applicable To
    • Dextrocardia with situs inversus
    • Mirror-image atrial arrangement with situs inversus
    • Situs inversus or transversus abdominalis
    • Situs inversus or transversus thoracis
    • Transposition of abdominal viscera
    • Transposition of thoracic viscera
    Type 1 Excludes
    Q89.3
    )
  • mirror-image atrial arrangement with situs inversus (
    ICD-10-CM Diagnosis Code Q89.3

    Situs inversus

      2016 2017 2018 Billable/Specific Code POA Exempt
    Applicable To
    • Dextrocardia with situs inversus
    • Mirror-image atrial arrangement with situs inversus
    • Situs inversus or transversus abdominalis
    • Situs inversus or transversus thoracis
    • Transposition of abdominal viscera
    • Transposition of thoracic viscera
    Type 1 Excludes
    Q89.3
    )
The following code(s) above Q20 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to Q20:
  • Q00-Q99
    2018 ICD-10-CM Range Q00-Q99

    Congenital malformations, deformations and chromosomal abnormalities

    Note
    • Codes from this chapter are not for use on maternal or fetal records
    Type 2 Excludes
    • inborn errors of metabolism (E70-E88)
    Congenital malformations, deformations and chromosomal abnormalities
Code History
ICD-10-CM Codes Adjacent To Q20
Q18.0 Sinus, fistula and cyst of branchial cleft
Q18.1 Preauricular sinus and cyst
Q18.2 Other branchial cleft malformations
Q18.3 Webbing of neck
Q18.4 Macrostomia
Q18.5 Microstomia
Q18.6 Macrocheilia
Q18.7 Microcheilia
Q18.8 Other specified congenital malformations of face and neck
Q18.9 Congenital malformation of face and neck, unspecified
Q20 Congenital malformations of cardiac chambers and connections
Q20.0 Common arterial trunk
Q20.1 Double outlet right ventricle
Q20.2 Double outlet left ventricle
Q20.3 Discordant ventriculoarterial connection
Q20.4 Double inlet ventricle
Q20.5 Discordant atrioventricular connection
Q20.6 Isomerism of atrial appendages
Q20.8 Other congenital malformations of cardiac chambers and connections
Q20.9 Congenital malformation of cardiac chambers and connections, unspecified
Q21 Congenital malformations of cardiac septa

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.