ICD-10 Code I08.8 – Other rheumatic multiple valve diseases (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code I08.8 – Other rheumatic multiple valve diseases
What it is
I08.8 identifies rheumatic heart disease affecting more than one valve when the specific valve combination is not otherwise classified. Use it for residual or mixed rheumatic valve disease documented as “other” multiple valve involvement.
Clinical signs
Clinical features vary; refer to documentation. Typical findings may include murmurs, signs of valvular stenosis or regurgitation, and echocardiographic evidence of rheumatic involvement of multiple valves.
When to use this code
Use I08.8 when the record clearly states rheumatic disease involving multiple valves and the chart does not fit a more specific multiple-valve code. It is appropriate when the provider documents “other rheumatic multiple valve disease” or equivalent wording. Check documentation if the valves affected are not named.
Do not use for
Do not use this code for nonrheumatic valvular disease or isolated single-valve rheumatic disease. If the documentation specifies a different rheumatic multiple-valve combination, choose the more specific code.
Coding tip
Code from the provider’s exact valve terminology and avoid assuming rheumatic origin unless it is documented.