I34.81
Billable codeNonrheumatic mitral (valve) annulus calcification
The ICD-10 code for nonrheumatic mitral (valve) annulus calcification is I34.81.
Clinical notes
Code also
Two codes may be needed to fully describe a condition, but unlike Code First/Use Additional Code, the sequencing order is not mandated by convention.
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Nonrheumatic mitral (valve) annular calcification
- Mitral (valve) annulus calcification NOS
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- I34.89Other nonrheumatic mitral valve disorders
- I34.81Nonrheumatic mitral (valve) annulus calcification
Associated MS-DRGs
I34.81 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.