I05.8 Other rheumatic mitral valve diseases

ICD-10-CM I05.8: Other rheumatic mitral valve diseases

ICD-10-CM code I05.8 represents other rheumatic mitral valve diseases, functioning as an active diagnosis concept under the parent category of rheumatic mitral valve diseases. The code is classified as a billable condition used for specifying various rheumatic mitral valve disorders, and its semantic type is a disease or syndrome. 1 5

Plain-language overview

Code I05.8 designates other rheumatic mitral valve diseases, categorizing specific rheumatic conditions affecting the mitral valve that are caused by damage induced from rheumatic fever. 5

What this code represents

The terminology record for I05.8 lists its preferred name as other rheumatic mitral valve diseases, assigns a semantic type of disease or syndrome, and indicates an active record status. 1

Within the ICD-10-CM hierarchy, I05.8 is a narrower concept under the parent concept I05, which covers rheumatic mitral valve diseases, and exists alongside related codes like I05.0 and I05.1. 1 4

Coding details

ICD-10-CM code I05.8 is considered a billable condition that can be used for reimbursement purposes to specify various rheumatic mitral valve disorders. 5

Documentation considerations

Clinical documentation for rheumatic mitral valve diseases may involve echocardiography or Doppler studies, which are used to identify valve disease that might otherwise present solely as a new heart murmur. 3

Clinical context

Acute rheumatic fever is a delayed sequela of group A streptococcal infections, and valvulitis of the mitral valve occurs in fifty to seventy percent of first episodes of acute rheumatic fever. 3

Clinical guidance outlines specific interventions for rheumatic mitral stenosis, including percutaneous mitral balloon commissurotomy for stage D patients with favorable anatomy and absence of left atrial thrombus. 2

What the sources add

While terminology records define the code hierarchy and billable status, clinical sources provide operational context by detailing treatment recommendations for rheumatic mitral stenosis and the streptococcal origins of acute rheumatic fever. 1 2 3

Coverage and utilization context

Clinical guidelines recommend specific therapeutic interventions for rheumatic mitral stenosis based on disease stage and anatomy, while coding references identify I05.8 as a billable condition for specifying rheumatic mitral valve disorders. 2 5

Sources

1. ICD-10-CM I05.8 terminology record — National Cancer Institute Enterprise Vocabulary Services; accessed 2026-07-27.
2. Bookshelf — ncbi.nlm.nih.gov; accessed 2026-07-27.
3. Clinical Guidance for Acute Rheumatic Fever — cdc.gov; accessed 2026-07-27.
4. EVS Explore — evsexplore.semantics.cancer.gov; accessed 2026-07-27.
5. Valvular Heart Disease ICD-10-CM Codes — carepatron.com; accessed 2026-07-27.