I05.0 vs I34
I05.0 (Rheumatic mitral stenosis) compared with I34 (Nonrheumatic mitral valve disorders), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. I05.0 carries an Excludes1 note covering I34: “mitral valve disease specified as nonrheumatic (I34.-)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. I34 carries an Excludes1 note covering I05.0: “mitral valve stenosis (I05.0)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. I34 carries an Excludes1 note covering I05.0: “mitral valve disorder of unspecified cause with mitral stenosis or obstruction (I05.0)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. I34 carries an Excludes1 note covering I05.0: “mitral valve disorder specified as rheumatic (I05.-)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| I05.0Rheumatic mitral stenosis | I34Nonrheumatic mitral valve disorders | |
|---|---|---|
| Billing status | Billable | Non-billable header |
| Classification | I00-I99 — Diseases of the Circulatory System (I00-I99) | I00-I99 — Diseases of the Circulatory System (I00-I99) |
| Definition | Rheumatic mitral stenosis is a billable ICD-10-CM diagnosis code (I05.0). | Nonrheumatic mitral valve disorders is a non-billable ICD-10-CM category code (I34). |
| Includes | conditions classifiable to both I05.0 and I05.2-I05.9, whether specified as rheumatic or not Mitral (valve) obstruction (rheumatic) | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources