Q24.9 is the authoritative medical code for Congenital malformation of heart, unspecified. This classification is used in medical billing and clinical recording to specify the clinical criteria for congenital malformation of heart, unspecified (ICD-10-CM Q24.9), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Congenital malformation of heart, unspecified is a billable ICD-10-CM diagnosis code Q24.9. Inclusion terms: Congenital anomaly of heart; Congenital disease of heart. Excludes1 (not coded here): endocardial fibroelastosis I42.4.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for Q24.9 in the official ICD-10-CM tabular list.
Inclusion Terms
Alternative terms the tabular list files under this code.
- Congenital anomaly of heart
- Congenital disease of heart
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- endocardial fibroelastosis I42.4
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with Q24.9?
Per official ICD-10-CM Excludes1 instructions, Q24.9 must not be reported together with: endocardial fibroelastosis (I42.4).
What conditions are included under Q24.9?
Congenital malformation of heart, unspecified includes: Congenital anomaly of heart; Congenital disease of heart.
Nearest Codes in This Family
Official ICD-10-CM classifications closest to Q24.9 in its code family, with their registry titles.
- 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
Indexed Clinical Terms (12)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Acyanotic heart disease (congenital)
- Anomaly, anomalous (congenital) (unspecified type), cardiac
- Anomaly, anomalous (congenital) (unspecified type), heart
- Atelocardia
- Blue, baby
- Cyanotic heart disease, congenital
- Deformity, heart (congenital)
- Development, imperfect, congenital, heart
- Disease, diseased, heart (organic), congenital
- Disease, diseased, heart (organic), congenital, cyanotic
- Lesion (s) (nontraumatic), cardiac, congenital
- Malformation (congenital), heart