Q23.2
Billable codeCongenital mitral stenosis
The ICD-10 code for congenital mitral stenosis is Q23.2.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Congenital mitral atresia
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •Laterality-specific codes exist for this condition — confirm the affected side is documented.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- Q23.0Congenital stenosis of aortic valve
- Q23.1Congenital insufficiency of aortic valve
- Q23.3Congenital mitral insufficiency
- Q23.4Hypoplastic left heart syndrome
- Q23.8Other congenital malformations of aortic and mitral valvesnon-billable header
- Q23.9Congenital malformation of aortic and mitral valves, unspecified
- Q23.2Congenital mitral stenosis
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 7465
Associated MS-DRGs
Q23.2 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.