2020 ICD-10-CM Diagnosis Code Q24.5

Malformation of coronary vessels

    2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
  • Q24.5 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 Q24.5 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of Q24.5 - other international versions of ICD-10 Q24.5 may differ.
Applicable To
  • Congenital coronary (artery) aneurysm
The following code(s) above Q24.5 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 Q24.5:
  • 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
  • Anomalous origin of heart artery from lung artery
  • Anomalous origin of left coronary artery from pulmonary artery
  • Congenital anomaly of coronary artery
  • Congenital coronary artery fistula
  • Congenital coronary artery fistula (at birth)
  • Coronary artery anomaly
  • Fistula, coronary artery at birth
Clinical Information
  • Malformations of coronary vessels, either arteries or veins. Included are anomalous origins of coronary arteries; arteriovenous fistula; coronary aneurysm; myocardial bridging; and others.
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.
  • Q24.5 is considered exempt from POA reporting.
ICD-10-CM Q24.5 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 306 Cardiac congenital and valvular disorders with mcc
  • 307 Cardiac congenital and valvular disorders without mcc

Convert Q24.5 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
Code annotations containing back-references to Q24.5:
  • Type 1 Excludes: I25.41
    , Q28
    ICD-10-CM Diagnosis Code I25.41

    Coronary artery aneurysm

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Coronary arteriovenous fistula, acquired
    Type 1 Excludes
    • congenital coronary (artery) aneurysm (Q24.5)
    ICD-10-CM Diagnosis Code Q28

    Other congenital malformations of circulatory system

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • congenital aneurysm NOS (Q27.8)
    • congenital coronary aneurysm (Q24.5)
    • ruptured cerebral arteriovenous malformation (I60.8)
    • ruptured malformation of precerebral vessels (I72.0)
    Type 2 Excludes
    • congenital peripheral aneurysm (Q27.8)
    • congenital pulmonary aneurysm (Q25.79)
    • congenital retinal aneurysm (Q14.1)
  • Type 2 Excludes: Q27
    ICD-10-CM Diagnosis Code Q27

    Other congenital malformations of peripheral vascular system

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • anomalies of cerebral and precerebral vessels (Q28.0-Q28.3)
    • anomalies of coronary vessels (Q24.5)
    • anomalies of pulmonary artery (Q25.5-Q25.7)
    • congenital retinal aneurysm (Q14.1)
    • hemangioma and lymphangioma (D18.-)

Diagnosis Index entries containing back-references to Q24.5:
  • Aberrant (congenital) - see also Malposition, congenital
    • artery (peripheral) Q27.8
      ICD-10-CM Diagnosis Code Q27.8

      Other specified congenital malformations of peripheral vascular system

        2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
      Applicable To
      • Absence of peripheral vascular system
      • Atresia of peripheral vascular system
      • Congenital aneurysm (peripheral)
      • Congenital stricture, artery
      • Congenital varix
      Type 1 Excludes
      • arteriovenous malformation (Q27.3-)
      • coronary Q24.5
  • Abnormal, abnormality, abnormalities - see also Anomaly
    • coronary artery Q24.5
  • Absence (of) (organ or part) (complete or partial)
    • artery (congenital) (peripheral) Q27.8
      ICD-10-CM Diagnosis Code Q27.8

      Other specified congenital malformations of peripheral vascular system

        2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
      Applicable To
      • Absence of peripheral vascular system
      • Atresia of peripheral vascular system
      • Congenital aneurysm (peripheral)
      • Congenital stricture, artery
      • Congenital varix
      Type 1 Excludes
      • arteriovenous malformation (Q27.3-)
      • coronary Q24.5
  • Accessory (congenital)
    • blood vessels NEC Q27.9
      ICD-10-CM Diagnosis Code Q27.9

      Congenital malformation of peripheral vascular system, unspecified

        2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
      Applicable To
      • Anomaly of artery or vein NOS
      • coronary Q24.5
    • coronary artery Q24.5
  • Agenesis
    • artery (peripheral) Q27.9
      ICD-10-CM Diagnosis Code Q27.9

      Congenital malformation of peripheral vascular system, unspecified

        2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
      Applicable To
      • Anomaly of artery or vein NOS
      • coronary Q24.5
  • Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular) I72.9
    ICD-10-CM Diagnosis Code I72.9

    Aneurysm of unspecified site

      2016 2017 2018 2019 2020 Billable/Specific Code
    • congenital (peripheral) Q27.8
      ICD-10-CM Diagnosis Code Q27.8

      Other specified congenital malformations of peripheral vascular system

        2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
      Applicable To
      • Absence of peripheral vascular system
      • Atresia of peripheral vascular system
      • Congenital aneurysm (peripheral)
      • Congenital stricture, artery
      • Congenital varix
      Type 1 Excludes
      • arteriovenous malformation (Q27.3-)
      • coronary Q24.5
    • coronary (arteriosclerotic) (artery) I25.41
      ICD-10-CM Diagnosis Code I25.41

      Coronary artery aneurysm

        2016 2017 2018 2019 2020 Billable/Specific Code
      Applicable To
      • Coronary arteriovenous fistula, acquired
      Type 1 Excludes
      • congenital coronary (artery) aneurysm (Q24.5)
      • arteriovenous, congenital Q24.5
      • congenital Q24.5
  • Anomaly, anomalous (congenital) (unspecified type) Q89.9
    ICD-10-CM Diagnosis Code Q89.9

    Congenital malformation, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
    Applicable To
    • Congenital anomaly NOS
    • Congenital deformity NOS
    • arteriovenous NEC
      • coronary Q24.5
    • artery (peripheral) Q27.9
      ICD-10-CM Diagnosis Code Q27.9

      Congenital malformation of peripheral vascular system, unspecified

        2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
      Applicable To
      • Anomaly of artery or vein NOS
      • coronary Q24.5
    • communication
      • coronary artery Q24.5
    • valve (heart) Q24.8
      ICD-10-CM Diagnosis Code Q24.8

      Other specified congenital malformations of heart

        2016 2017 2018 2019 2020 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
      • coronary sinus Q24.5
      • sinus coronario Q24.5
    • vein(s) (peripheral) Q27.9
      ICD-10-CM Diagnosis Code Q27.9

      Congenital malformation of peripheral vascular system, unspecified

        2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
      Applicable To
      • Anomaly of artery or vein NOS
      • coronary Q24.5
    • coronary artery or vein Q24.5
    • distribution, coronary artery Q24.5
  • Atresia, atretic
    • artery NEC Q27.8
      ICD-10-CM Diagnosis Code Q27.8

      Other specified congenital malformations of peripheral vascular system

        2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
      Applicable To
      • Absence of peripheral vascular system
      • Atresia of peripheral vascular system
      • Congenital aneurysm (peripheral)
      • Congenital stricture, artery
      • Congenital varix
      Type 1 Excludes
      • arteriovenous malformation (Q27.3-)
      • coronary Q24.5
  • Bridge, myocardial Q24.5
  • Deformity Q89.9
    ICD-10-CM Diagnosis Code Q89.9

    Congenital malformation, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
    Applicable To
    • Congenital anomaly NOS
    • Congenital deformity NOS
    • artery (congenital) (peripheral) Q27.9
      ICD-10-CM Diagnosis Code Q27.9

      Congenital malformation of peripheral vascular system, unspecified

        2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
      Applicable To
      • Anomaly of artery or vein NOS
      • coronary (acquired) I25.9
        ICD-10-CM Diagnosis Code I25.9

        Chronic ischemic heart disease, unspecified

          2016 2017 2018 2019 2020 Billable/Specific Code
        Applicable To
        • Ischemic heart disease (chronic) NOS
        • congenital Q24.5
    • coronary artery (acquired) I25.9
      ICD-10-CM Diagnosis Code I25.9

      Chronic ischemic heart disease, unspecified

        2016 2017 2018 2019 2020 Billable/Specific Code
      Applicable To
      • Ischemic heart disease (chronic) NOS
      • congenital Q24.5
  • Disease, diseased - see also Syndrome
  • Distortion(s) (congenital)
    • coronary Q24.5
  • Distribution vessel, atypical Q27.9
    ICD-10-CM Diagnosis Code Q27.9

    Congenital malformation of peripheral vascular system, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
    Applicable To
    • Anomaly of artery or vein NOS
    • coronary artery Q24.5
  • Fistula (cutaneous) L98.8
    ICD-10-CM Diagnosis Code L98.8

    Other specified disorders of the skin and subcutaneous tissue

      2016 2017 2018 2019 2020 Billable/Specific Code
    • arteriovenous (acquired) (nonruptured) I77.0
      ICD-10-CM Diagnosis Code I77.0

      Arteriovenous fistula, acquired

        2016 2017 2018 2019 2020 Billable/Specific Code
      Applicable To
      • Aneurysmal varix
      • Arteriovenous aneurysm, acquired
      Type 1 Excludes
      • arteriovenous aneurysm NOS (Q27.3-)
      • presence of arteriovenous shunt (fistula) for dialysis (Z99.2)
      • traumatic - see injury of blood vessel by body region
      Type 2 Excludes
      • congenital (peripheral) - see also Malformation, arteriovenous
        • coronary Q24.5
      • coronary I25.41
        ICD-10-CM Diagnosis Code I25.41

        Coronary artery aneurysm

          2016 2017 2018 2019 2020 Billable/Specific Code
        Applicable To
        • Coronary arteriovenous fistula, acquired
        Type 1 Excludes
        • congenital coronary (artery) aneurysm (Q24.5)
        • congenital Q24.5
    • coronary, arteriovenous I25.41
      ICD-10-CM Diagnosis Code I25.41

      Coronary artery aneurysm

        2016 2017 2018 2019 2020 Billable/Specific Code
      Applicable To
      • Coronary arteriovenous fistula, acquired
      Type 1 Excludes
      • congenital coronary (artery) aneurysm (Q24.5)
      • congenital Q24.5
  • Hypoplasia, hypoplastic
    • artery (peripheral) Q27.8
      ICD-10-CM Diagnosis Code Q27.8

      Other specified congenital malformations of peripheral vascular system

        2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
      Applicable To
      • Absence of peripheral vascular system
      • Atresia of peripheral vascular system
      • Congenital aneurysm (peripheral)
      • Congenital stricture, artery
      • Congenital varix
      Type 1 Excludes
      • arteriovenous malformation (Q27.3-)
      • coronary Q24.5
  • Malformation (congenital) - see also Anomaly
    • coronary vessels Q24.5
  • Malposition
    • congenital
      • artery (peripheral) Q27.8
        ICD-10-CM Diagnosis Code Q27.8

        Other specified congenital malformations of peripheral vascular system

          2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
        Applicable To
        • Absence of peripheral vascular system
        • Atresia of peripheral vascular system
        • Congenital aneurysm (peripheral)
        • Congenital stricture, artery
        • Congenital varix
        Type 1 Excludes
        • arteriovenous malformation (Q27.3-)
        • coronary Q24.5
  • Narrowing - see also Stenosis
  • Single
    • coronary artery Q24.5
  • Stricture - see also Stenosis
    • artery I77.1
      ICD-10-CM Diagnosis Code I77.1

      Stricture of artery

        2016 2017 2018 2019 2020 Billable/Specific Code
      Applicable To
      • Narrowing of artery
      • congenital (peripheral) Q27.8
        ICD-10-CM Diagnosis Code Q27.8

        Other specified congenital malformations of peripheral vascular system

          2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
        Applicable To
        • Absence of peripheral vascular system
        • Atresia of peripheral vascular system
        • Congenital aneurysm (peripheral)
        • Congenital stricture, artery
        • Congenital varix
        Type 1 Excludes
        • arteriovenous malformation (Q27.3-)
        • coronary Q24.5
      • coronary - see Disease, heart, ischemic, atherosclerotic
        • congenital Q24.5

ICD-10-CM Codes Adjacent To Q24.5
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
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

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