Q23.8

Other congenital malformations of aortic and mitral valves

Not billable — category only FY2026 2025-10-01 → 2026-09-30

Instructional notes

No further instructional notes apply.

Index entries leading here filed at null

No alphabetic index entry points at this code.

Alongside this code 6 same parent — Q23

Q23.0 Congenital stenosis of aortic valve Q23.1 Congenital insufficiency of aortic valve Q23.2 Congenital mitral stenosis Q23.3 Congenital mitral insufficiency Q23.4 Hypoplastic left heart syndrome Q23.9 Congenital malformation of aortic and mitral valves, unsp

Subordinate codes 3

Q23.81 Bicuspid aortic valve Q23.82 Congenital mitral valve cleft leaflet Q23.88 Other congenital malformations of aortic and mitral valves

Medications 1

692 Congenital, Hereditary, and Neonatal Diseases and Abnormalities 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: no
Code set: FY2026
Parent: Q23
Block: Q20-Q28
Siblings: 6
Subordinate: 3

Present FY2024–FY2027.