Hypoplastic left heart syndrome
Billable / specificPOA exempt
Q23.4 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.
Inclusion terms
Includes (from Q23)
- Note: Codes from this chapter are not for use on maternal records
Excludes2
Not included here — may be reported together when both conditions exist.
Also known as
- Atresia, atretic, aortic, congenital with hypoplasia of ascending aorta and defective development of left ventricle
- Atresia, atretic, aortic, in hypoplastic left heart syndrome
- Atresia, atretic, mitral valve, in hypoplastic left heart syndrome
- Development, defective, congenital, left ventricle, in hypoplastic left heart syndrome
- Hypoplasia, hypoplastic, aorta, aortic, ascending, in hypoplastic left heart syndrome
- Hypoplasia, hypoplastic, aorta, aortic, valve, in hypoplastic left heart syndrome
- Hypoplasia, hypoplastic, left heart syndrome
- Syndrome, hypoplastic left-heart
Parent code
- Q23Congenital malformations of aortic and mitral valvesHeader
Related codes
- Q23.0Congenital stenosis of aortic valveBillable
- Q23.1Congenital insufficiency of aortic valveBillable
- Q23.2Congenital mitral stenosisBillable
- Q23.3Congenital mitral insufficiencyBillable
- Q23.8Other congenital malformations of aortic and mitral valvesHeader
- Q23.9Congenital malformation of aortic and mitral valves, unspecifiedBillable