I34
Nonrheumatic mitral valve disorders
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 17 never code together
I34code
Excludes1
- mitral valve disease (I05.9)I05.9I05.9I05.9
- mitral valve failure (I05.8)I05.8I05.8I05.8
- mitral valve stenosis (I05.0)I05.0I05.0I05.0
- mitral valve disorder of unspecified cause with diseases of aortic and/or tricuspid valve(s) (I08.-)I08.-I08.-I08.-
- mitral valve disorder of unspecified cause with mitral stenosis or obstruction (I05.0)I05.0I05.0I05.0
- mitral valve disorder specified as congenital (Q23.2, Q23.9)Q23.2Q23.2Q23.2Q23.9Q23.9Q23.9
- mitral valve disorder specified as rheumatic (I05.-)I05.-I05.-I05.-
I00-I99chapter
Excludes2
- certain conditions originating in the perinatal period (P04-P96)P04-P96
- certain infectious and parasitic diseases (A00-B99)A00-B99
- complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)Q00-Q99
- endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
- injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
- neoplasms (C00-D49)C00-D49
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94
- systemic connective tissue disorders (M30-M36)M30-M36
- transient cerebral ischemic attacks and related syndromes (G45.-)G45.-
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes
No further instructional notes apply.
Index entries leading here filed at null
No alphabetic index entry points at this code.
Subordinate codes 5
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.