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ICD-10-CM Codes
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Q00-Q99
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Q20-Q28
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Q21-
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2023 ICD-10-CM Diagnosis Code Q21.19
2023 ICD-10-CM Diagnosis Code Q21.19
Other specified atrial septal defect
2023 - New Code Billable/Specific Code POA Exempt
- Q21.19 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- ICD-10-CM Q21.19 is a new 2023 ICD-10-CM code that became effective on October 1, 2022.
- This is the American ICD-10-CM version of Q21.19 - other international versions of ICD-10 Q21.19 may differ.
Applicable To- Common atrium
- Other specified atrial septal abnormality
The following code(s) above
Q21.19 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
Q21.19:
- Q00-Q99
2023 ICD-10-CM Range Q00-Q99
Congenital malformations, deformations and chromosomal abnormalitiesNote- Codes from this chapter are not for use on maternal records
Type 2 Excludes- inborn errors of metabolism (E70-E88)
- Q21
ICD-10-CM Diagnosis Code Q21
Congenital malformations of cardiac septa
2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
Type 1 Excludes- acquired cardiac septal defect (I51.0)
- Q21.1
ICD-10-CM Diagnosis Code Q21.1
Atrial septal defect
2016 2017 2018 2019 2020 2021 2022 2023 - Converted to Parent Code Non-Billable/Non-Specific Code
Applicable To- Excludes 2: ostium primum atrial septal defect (type I) (Q21.20)
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.
- Q21.19 is considered exempt from POA reporting.
ICD-10-CM Q21.19 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
Code History
- 2023 (effective 10/1/2022): New code
- Abnormal, abnormality, abnormalities - see also Anomaly
- atrial septal, specified NEC Q21.19
- Absence (of) (organ or part) (complete or partial)
- septum
- atrial Q21.19 (congenital)
- atrial septum Q21.19 (congenital)
- Acleistocardia Q21.19
- Agenesis
- 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
- septum Q21.9
ICD-10-CM Diagnosis Code Q21.9
Congenital malformation of cardiac septum, unspecified
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt
Applicable To- Septal (heart) defect NOS
- auricular Q21.19
- interatrial Q21.19
- Closure
- interauricular septum, defective Q21.19
- Common
- Cor
- triloculare Q20.8
ICD-10-CM Diagnosis Code Q20.8
Other congenital malformations of cardiac chambers and connections
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt
- Defect, defective 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
- atrial septal Q21.10
ICD-10-CM Diagnosis Code Q21.10
Atrial septal defect, unspecified
2023 - New Code Billable/Specific Code POA Exempt
- interatrial septal Q21.19
- interauricular septal Q21.19
- Disease, diseased - see also Syndrome
- Lutembacher's Q21.19 (atrial septal defect with mitral stenosis)
- Fusion, fused (congenital)
- atria Q21.19
- auricles, heart Q21.19
- Imperfect
- closure (congenital)
- ostium
- interatrial Q21.19
- interauricular Q21.19
- septum
- atrial Q21.19 (secundum)
- interatrial Q21.19 (secundum)
- interauricular Q21.19 (secundum)
- interatrial ostium or septum Q21.19
- interauricular ostium or septum Q21.19
- Lutembacher's disease or syndrome Q21.19 (atrial septal defect with mitral stenosis)
- Patent - see also Imperfect, closure
- interauricular septum Q21.19
- Perforation, perforated (nontraumatic) (of)
- atrial septum, multiple Q21.19
- Syndrome - see also Disease
ICD-10-CM Codes Adjacent To Q21.19
Q21 Congenital malformations of cardiac septa
Q21.0 Ventricular septal defect
Q21.1 Atrial septal defect
Q21.11 Secundum atrial septal defect
Q21.13 Coronary sinus atrial septal defect
Q21.14 Superior sinus venosus atrial septal defect
Q21.15 Inferior sinus venosus atrial septal defect
Q21.16 Sinus venosus atrial septal defect, unspecified
Q21.19
Other specified atrial septal defect
Q21.2 Atrioventricular septal defect
Q21.20 …… unspecified as to partial or complete
Q21.21 Partial atrioventricular septal defect
Q21.22 Transitional atrioventricular septal defect
Q21.23 Complete atrioventricular septal defect
Q21.3 Tetralogy of Fallot
Q21.4 Aortopulmonary septal defect
Q21.8 Other congenital malformations of cardiac septa
Q21.9 Congenital malformation of cardiac septum, unspecified
Q22 Congenital malformations of pulmonary and tricuspid valves
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
