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Q23.0

Billable

Congenital stenosis of aortic valve

Q23.0 is the ICD-10-CM code for Congenital stenosis of aortic valve. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
Q00-Q99
Parent
Q23
Edition
FY2026

Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities

Includes

  • •Congenital aortic atresia
  • •Congenital aortic stenosis NOS

Excludes1 — not coded here

  • •congenital stenosis of aortic valve in hypoplastic left heart syndrome (Q23.4)
  • •congenital subaortic stenosis (Q24.4)
  • •supravalvular aortic stenosis (congenital) (Q25.3)

Frequently asked questions

What is ICD-10 code Q23.0?
Q23.0 is the ICD-10-CM code for "Congenital stenosis of aortic valve". It falls under Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities.
Is Q23.0 a billable code?
Yes — Q23.0 is a billable, specific ICD-10-CM code valid for reimbursement.
What is excluded from Q23.0?
Excludes1 (not coded here): congenital stenosis of aortic valve in hypoplastic left heart syndrome (Q23.4); congenital subaortic stenosis (Q24.4); supravalvular aortic stenosis (congenital) (Q25.3).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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