ICD-10-CM code · FY2027
I34.2 Nonrheumatic mitral (valve) stenosis
BillableValid for claims as a specific diagnosis code
About I34.2
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Coding notes for I34.2
Code also Another code may be needed as well; the order depends on the encounter.
- , if applicable:
- nonrheumatic mitral (valve) annulus calcification (I34.81)
Also applies, from I34 Nonrheumatic mitral valve disorders
Excludes1 Not coded here: never report these together with this code (use the code given instead).
- 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.-)
Chapter 9 notes (apply to every code in it)
Excludes2 Not part of this condition, but a patient can have both: report both codes when both apply.
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- systemic connective tissue disorders (M30-M36)
- transient cerebral ischemic attacks and related syndromes (G45.-)
Related codes in I34
Latest research on mitral regurgitation
- #VisualAbstract Transcatheter Edge-to-Edge Repair was Non-inferior to Mitral-Valve Surgery for Secondary Mitral Regurgitation
- Use of fluoroquinolones and may increase the risk of aortic and mitral regurgitation
- #VisualAbstract: Transcatheter repair of mitral regurgitation secondary to cardiomyopathy is safe and effective
- Transcatheter repair of mitral regurgitation secondary to cardiomyopathy is safe and effective
- Transcatheter mitral valve repair may be a reasonable option in high-surgical-risk patients with degenerative mitral regurgitation
Landmark trials from 2MM Classics
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See 2MM+ plansICD-10-CM FY2027 code set, as published by the CDC National Center for Health Statistics (NCHS) and CMS, effective October 1, 2026 to September 30, 2027. Codes, titles and notes are shown as published. Check payer rules and the official guidelines before billing. This page is not medical advice.
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