Q24.9 – Congenital malformation of heart, unspecified
ICD-10-CM 2027 diagnosis code · Congenital malformations of the circulatory system
ICD-10-CM code
Q24.9
- Code
Q24.9(claims format:Q249)- Description
- Congenital malformation of heart, unspecified
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 17. Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
- Block
- Q20-Q28 Congenital malformations of the circulatory system
- Parent codes
- Q24
Notes for Q24.9
Applicable to:
- Congenital anomaly of heart
- Congenital disease of heart
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Q24 – Other congenital malformations of heart
Excludes1 (not coded here):
- endocardial fibroelastosis (I42.4)
Index terms for Q24.9
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Blue, baby
- Atelocardia
- Deformity, heart
- Malformation, heart
- Acyanotic heart disease
- Anomaly, anomalous, heart
- Anomaly, anomalous, cardiac
- Lesion, cardiac, congenital
- Cyanotic heart disease, congenital
- Disease, diseased, heart, congenital
- Development, imperfect, congenital, heart
- Disease, diseased, heart, congenital, cyanotic
Related codes in Q24
- Q24.0 – DextrocardiaBillable
- Q24.1 – LevocardiaBillable
- Q24.2 – Cor triatriatumBillable
- Q24.3 – Pulmonary infundibular stenosisBillable
- Q24.4 – Congenital subaortic stenosisBillable
- Q24.5 – Malformation of coronary vesselsBillable
- Q24.6 – Congenital heart blockBillable
- Q24.8 – Other specified congenital malformations of heartBillable
Frequently asked questions
What is ICD-10 code Q24.9?
Q24.9 is the ICD-10-CM code for congenital malformation of heart, unspecified, in the block Q20-Q28 (Congenital malformations of the circulatory system).
Is Q24.9 a billable code?
Yes. Q24.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does Q24.9 belong to?
It belongs to category Q24 – Other congenital malformations of heart.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.