2021 ICD-10-CM Diagnosis Code Q24

Other congenital malformations of heart

    2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
  • Q24 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2021 edition of ICD-10-CM Q24 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of Q24 - other international versions of ICD-10 Q24 may differ.
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 Q24. 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.
  • endocardial fibroelastosis (
    ICD-10-CM Diagnosis Code I42.4

    Endocardial fibroelastosis

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Congenital cardiomyopathy
    • Elastomyofibrosis
    I42.4
    )
The following code(s) above Q24 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 Q24:
  • Q00-Q99
    2021 ICD-10-CM Range Q00-Q99

    Congenital malformations, deformations and chromosomal abnormalities

    Note
    • Codes from this chapter are not for use on maternal records
    Type 2 Excludes
    • inborn errors of metabolism (E70-E88)
    Congenital malformations, deformations and chromosomal abnormalities
Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
ICD-10-CM Codes Adjacent To Q24
Q22.8 Other congenital malformations of tricuspid valve
Q22.9 Congenital malformation of tricuspid valve, unspecified
Q23 Congenital malformations of aortic and mitral valves
Q23.0 Congenital stenosis of aortic valve
Q23.1 Congenital insufficiency of aortic valve
Q23.2 Congenital mitral stenosis
Q23.3 Congenital mitral insufficiency
Q23.4 Hypoplastic left heart syndrome
Q23.8 Other congenital malformations of aortic and mitral valves
Q23.9 Congenital malformation of aortic and mitral valves, unspecified
Q24 Other congenital malformations of heart
Q24.0 Dextrocardia
Q24.1 Levocardia
Q24.2 Cor triatriatum
Q24.3 Pulmonary infundibular stenosis
Q24.4 Congenital subaortic stenosis
Q24.5 Malformation of coronary vessels
Q24.6 Congenital heart block
Q24.8 Other specified congenital malformations of heart
Q24.9 Congenital malformation of heart, unspecified
Q25 Congenital malformations of great arteries

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