2023

  1. ICD-10-CM Codes
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  2. Q00-Q99
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  3. Q20-Q28
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  5. 2023 ICD-10-CM Diagnosis Code Q23.1

2023 ICD-10-CM Diagnosis Code Q23.1

Congenital insufficiency of aortic valve

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt
  • Q23.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2023 edition of ICD-10-CM Q23.1 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of Q23.1 - other international versions of ICD-10 Q23.1 may differ.
Applicable To
  • Bicuspid aortic valve
  • Congenital aortic insufficiency
The following code(s) above Q23.1 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 Q23.1:
  • Q00-Q99
    2023 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
Approximate Synonyms
  • Bicuspid aortic valve
  • Congenital aortic valve regurgitation (at birth)
  • Insufficiency of aortic valve, congenital (at birth)
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.
  • Q23.1 is considered exempt from POA reporting.
ICD-10-CM Q23.1 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 306 Cardiac congenital and valvular disorders with mcc
  • 307 Cardiac congenital and valvular disorders without mcc

Convert Q23.1 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
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
Code annotations containing back-references to Q23.1:
  • Type 1 Excludes: I35
    ICD-10-CM Diagnosis Code I35

    Nonrheumatic aortic valve disorders

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • aortic valve disorder of unspecified cause but with diseases of mitral and/or tricuspid valve(s) (I08.-)
    • aortic valve disorder specified as congenital (Q23.0, Q23.1)
    • aortic valve disorder specified as rheumatic (I06.-)
    • hypertrophic subaortic stenosis (I42.1)

Diagnosis Index entries containing back-references to Q23.1:
  • Anomaly, anomalous (congenital) (unspecified type) Q89.9
    ICD-10-CM Diagnosis Code Q89.9

    Congenital malformation, unspecified

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt
    Applicable To
    • Congenital anomaly NOS
    • Congenital deformity NOS
    • heart Q24.9
      ICD-10-CM Diagnosis Code Q24.9

      Congenital malformation of heart, unspecified

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt
      Applicable To
      • Congenital anomaly of heart
      • Congenital disease of heart
      • valve NEC Q24.8
        ICD-10-CM Diagnosis Code Q24.8

        Other specified congenital malformations of heart

          2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt
        Applicable To
        • Congenital diverticulum of left ventricle
        • Congenital malformation of myocardium
        • Congenital malformation of pericardium
        • Malposition of heart
        • Uhl's disease
        • aortic
          • bicuspid valve Q23.1
          • insufficiency Q23.1
  • Bicuspid aortic valve Q23.1
  • Hypoplasia, hypoplastic
    • aorta, aortic Q25.42
      ICD-10-CM Diagnosis Code Q25.42

      Hypoplasia of aorta

        2017 - New Code 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt
  • Insufficiency, insufficient
    • aortic (valve) I35.1
      ICD-10-CM Diagnosis Code I35.1

      Nonrheumatic aortic (valve) insufficiency

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
      Applicable To
      • Nonrheumatic aortic (valve) incompetence NOS
      • Nonrheumatic aortic (valve) regurgitation NOS
      • congenital Q23.1

ICD-10-CM Codes Adjacent To Q23.1
Q22.1 Congenital pulmonary valve stenosis
Q22.2 Congenital pulmonary valve insufficiency
Q22.3 Other congenital malformations of pulmonary valve
Q22.4 Congenital tricuspid stenosis
Q22.5 Ebstein's anomaly
Q22.6 Hypoplastic right heart syndrome
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

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

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