I34.2

ICD-10Billable

Nonrheumatic mitral (valve) stenosis

Official ICD-10-CM descriptor (FY2026)

Nonrheumatic mitral (valve) stenosis

I34.2 is valid for submission on a claim — CMS flags it as a billable, specific code.

Code also

Two codes may be needed; sequencing depends on the reason for the encounter.

, if applicable:
nonrheumatic mitral (valve) annulus calcification (I34.81)

Related codes in I34

Where this code sits

Chapter: 9. Diseases of the circulatory system (I00-I99)
Block: Other forms of heart disease (I30-I5A)
Parent code: I34

Krasyn AI Coder

Get code suggestions automatically as you type notes. Free for 50 analyses.

Install for Chrome — free

Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.