2020 ICD-10-CM Diagnosis Code Q24.6

Congenital heart block

    2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
  • Q24.6 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM Q24.6 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of Q24.6 - other international versions of ICD-10 Q24.6 may differ.
The following code(s) above Q24.6 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 Q24.6:
  • Q00-Q99
    2020 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
  • Q24
    ICD-10-CM Diagnosis Code Q24

    Other congenital malformations of heart

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • endocardial fibroelastosis (I42.4)
    Other congenital malformations of heart
Approximate Synonyms
  • Congenital heart block (at birth)
  • Heart block, congenital
Present On Admission
POA Help
"Present On Admission" is defined as present at the time the order for inpatient admission occurs — conditions that develop during an outpatient encounter, including emergency department, observation, or outpatient surgery, are considered POA.
  • Q24.6 is considered exempt from POA reporting.
ICD-10-CM Q24.6 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 308 Cardiac arrhythmia and conduction disorders with mcc
  • 309 Cardiac arrhythmia and conduction disorders with cc
  • 310 Cardiac arrhythmia and conduction disorders without cc/mcc

Convert Q24.6 to ICD-9-CM

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

Diagnosis Index entries containing back-references to Q24.6:
  • Block, blocked
    • atrioventricular (incomplete) (partial) I44.30
      ICD-10-CM Diagnosis Code I44.30

      Unspecified atrioventricular block

        2016 2017 2018 2019 2020 Billable/Specific Code
      • complete I44.2
        ICD-10-CM Diagnosis Code I44.2

        Atrioventricular block, complete

          2016 2017 2018 2019 2020 Billable/Specific Code
        Applicable To
        • Complete heart block NOS
        • Third degree block
        • congenital Q24.6
      • congenital Q24.6
    • heart I45.9
      ICD-10-CM Diagnosis Code I45.9

      Conduction disorder, unspecified

        2016 2017 2018 2019 2020 Billable/Specific Code
      Applicable To
      • Heart block NOS
      • Stokes-Adams syndrome
      • congenital Q24.6

ICD-10-CM Codes Adjacent To Q24.6
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
Q25.0 Patent ductus arteriosus
Q25.1 Coarctation of aorta
Q25.2 Atresia of aorta
Q25.21 Interruption of aortic arch
Q25.29 Other atresia of aorta
Q25.3 Supravalvular aortic stenosis
Q25.4 Other congenital malformations of aorta

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