ICD10Check
CheckerBrowseOpen

I34

⚠ Non-billable (Header)

Nonrheumatic mitral valve disorders

Diseases of the circulatory system (I00-I99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

Check This Code

❌ Excludes1

direct

Cannot be coded with I34

  • • mitral valve disease (I05.9)
  • • mitral valve failure (I05.8)
  • • mitral valve stenosis (I05.0)
  • • mitral valve disorder of unspecified cause with diseases of aortic and/or tricuspid valve(s) (I08.-)
  • • mitral valve disorder of unspecified cause with mitral stenosis or obstruction (I05.0)
  • • mitral valve disorder specified as congenital (Q23.2, Q23.9)
  • • mitral valve disorder specified as rheumatic (I05.-)

Child Codes (5)

I34.0Nonrheumatic mitral (valve) insufficiencyI34.1Nonrheumatic mitral (valve) prolapseI34.2Nonrheumatic mitral (valve) stenosisI34.8Other nonrheumatic mitral valve disordersI34.9Nonrheumatic mitral valve disorder, unspecified

🧪 Validate Combinations

Add I34 to the Excludes Checker to validate against your full code list.

Open in Checker →

Code Information

CodeI34
BillableNo — Header code
CategoryDiseases of the circulatory system (I00-I99)
Excludes17 rule(s)
Excludes20 note(s)
Child codes5

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)