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Q24.9 — Congenital malformation of heart, unspecified
Q24.9
What this code means
A congenital malformation of the heart recorded without the specific defect being stated.
Also called: congenital heart defect, congenital malformation of heart.
When this code is used
Used for congenital malformation of heart, unspecified.
Where it sits in ICD-10-CM
Code Q24.9 belongs to Chapter 17: Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders, which covers codes Q00–QA1 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.
Related anatomy
Watch: related videos
Frequently asked questions
What is ICD-10-CM code Q24.9?
Q24.9 is the ICD-10-CM diagnosis code for “Congenital malformation of heart, unspecified”. A congenital malformation of the heart recorded without the specific defect being stated.
When is code Q24.9 used?
Used for congenital malformation of heart, unspecified. It belongs to Chapter 17 of ICD-10-CM (Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders).
This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.