Q24.8

Other specified congenital malformations of heart

Billable FY2026 2025-10-01 → 2026-09-30

Exclusions 1 never code together

Q24code

Excludes1

endocardial fibroelastosis (I42.4)I42.4

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Instructional notes 5

Q24.8code

Inclusion terms

Congenital diverticulum of left ventricle
Congenital malformation of myocardium
Congenital malformation of pericardium
Malposition of heart
Uhl's disease

Index entries leading here 39

Absence (of) (organ or part) (complete or partial)
- pericardium (congenital) Q24.8
Accessory (congenital)
- valve, heart NEC Q24.8
- cusp (s) , heart valve NEC Q24.8
- heart Q24.8
  - valve NEC Q24.8
- leaflet, heart valve NEC Q24.8
Agenesis
- heart Q24.8
  - valve NEC Q24.8
- pericardium Q24.8
Band (s)
- anomalous or congenital — see also Anomaly, by site
  - heart (atrial) (ventricular) Q24.8
Anomaly, anomalous (congenital) (unspecified type) Q89.9
- valve (heart) NEC Q24.8
  - inferior vena cava Q24.8
  - venae cavae inferioris Q24.8
- ventricular
  - bands or folds Q24.8
- heart Q24.9
  - bands or folds Q24.8
  - valve NEC Q24.8
- band
  - heart Q24.8
  - ventricular Q24.8
- cardiac Q24.9
  - valve NEC Q24.8
- chordae tendineae Q24.8
- myocardium Q24.8
- papillary muscles Q24.8
- pericardium Q24.8
- Uhl's (hypoplasia of myocardium, right ventricle) Q24.8
Bifid (congenital)
- apex, heart Q24.8
Atresia, atretic
- heart valve NEC Q24.8
Ectopic, ectopia (congenital)
- cardiac Q24.8
- cordis Q24.8
- heart Q24.8
Hypoplasia, hypoplastic
- cardiac Q24.8
- heart Q24.8
Dilatation
- cardiac (acute) (chronic) — see also Hypertrophy, cardiac
  - congenital Q24.8
    - valve NEC Q24.8
- heart (acute) (chronic) — see also Hypertrophy, cardiac
  - congenital Q24.8
Hypertrophy, hypertrophic
- cardiac (chronic) (idiopathic) I51.7
  - congenital NEC Q24.8
- ventricle, ventricular (heart) — see also Hypertrophy, cardiac
  - congenital Q24.8
Cardiomegaly — see also Hypertrophy, cardiac
- congenital Q24.8
Cardiomyopathy (familial) (idiopathic) I42.9
- hypertrophic (nonobstructive) I42.2
  - obstructive I42.1
    - congenital Q24.8
Cyst (colloid) (mucous) (simple) (retention)
- celomic (pericardium) Q24.8
- pericardial (congenital) Q24.8
Chiari's
- net Q24.8
Imperfect
- closure (congenital)
  - cusps, heart valve NEC Q24.8
Disease, diseased — see also Syndrome
- heart (organic) I51.9
  - congenital Q24.9
    - specified NEC Q24.8
  - valve, valvular (obstructive) (regurgitant) — see also Endocarditis
    - congenital NEC Q24.8
- Uhl's Q24.8
Endocarditis (chronic) (marantic) (nonbacterial) (thrombotic) (valvular) I38
- congenital Q24.8
Incompetency, incompetent, incompetence
- valvular — see Endocarditis
  - congenital Q24.8
Insufficiency, insufficient
- myocardial, myocardium (with arteriosclerosis) I50.9
  - congenital Q24.8
- valve, valvular (heart) I38
  - congenital Q24.8
Malposition
- congenital
  - heart Q24.8
- heart, congenital NEC Q24.8
Regurgitation R11.10
- valve, valvular — see Endocarditis
  - congenital Q24.8
Stenosis, stenotic (cicatricial) — see also Stricture
- heart valve I38
  - congenital Q24.8
- valve (cardiac) (heart) I38
  - congenital Q24.8
Cordis ectopia Q24.8
Fusion, fused (congenital)
- cusps, heart valve NEC Q24.8
Supernumerary (congenital)
- cusps, heart valve NEC Q24.8
Fenestration, fenestrated — see also Imperfect, closure
- cusps, heart valve NEC Q24.8
Development
- defective, congenital — see also Anomaly, by site
  - valve Q24.8
  - left ventricle Q24.8
Deformity Q89.9
- valve, valvular (congenital) (heart) Q24.8
- heart (congenital) Q24.9
  - valve (congenital) NEC Q24.8
- pericardium (congenital) Q24.8
Displacement, displaced
- heart (congenital) Q24.8
Distortion (s) (congenital)
- heart (auricle) (ventricle) Q24.8
  - valve (cusp) Q24.8
Diverticulum, diverticula (multiple) K57.90
- heart (congenital) Q24.8
- ventricle, left (congenital) Q24.8
- pericardium (congenital) (cyst) Q24.8
Ectocardia Q24.8
Fold, folds (anomalous) — see also Anomaly, by site
- heart Q24.8
Malformation (congenital) — see also Anomaly
- heart Q24.9
  - specified type NEC Q24.8
- pericardium Q24.8
- myocardium Q24.8
Undeveloped, undevelopment — see also Hypoplasia
- heart Q24.8
Nondevelopment
- heart Q24.8
Hemicardia Q24.8
Uhl's anomaly or disease Q24.8

Alongside this code 8 same parent — Q24

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 Q24.9 Congenital malformation of heart, unspecified

Medications 1

46 Heart Defects, Congenital drugs

MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.

Additional references

AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

Maps to no condition category in any loaded model.

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This code

Billable: yes
Code set: FY2026
Parent: Q24
Block: Q20-Q28
Siblings: 8

Present FY2024–FY2027.