I09.89 vs I37
I09.89 (Other specified rheumatic heart diseases) compared with I37 (Nonrheumatic pulmonary 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. I37 carries an Excludes1 note covering I09.89: “pulmonary valve disorder specified as rheumatic (I09.89)”
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
| I09.89Other specified rheumatic heart diseases | I37Nonrheumatic pulmonary 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 | Other specified rheumatic heart diseases is a billable ICD-10-CM diagnosis code (I09.89). | Nonrheumatic pulmonary valve disorders is a non-billable ICD-10-CM category code (I37). |
| Includes | Rheumatic disease of pulmonary valve | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources