What does ICD-10 code I08 mean?

ICD-10 code I08 is the standardized code used for multiple valve diseases in medical records and coding systems.

When is ICD-10 code I08 used?

Doctors, hospitals, and insurers may use ICD-10 code I08 when recording multiple valve diseases in a standardized format. This entry may also act as a broader category that points toward more specific child codes.

Does ICD-10 code I08 confirm a diagnosis?

No. A code helps standardize documentation and claims, but it should not be read as a substitute for a clinician's full assessment.

ICD10

ICD-10 Code I08: Multiple valve diseases

Name: ICD-10 Code I08: Multiple valve diseases
Creator: HealthAssure Clinical Team
Published: 2026-05-21T06:12:39.425Z

I08 is an ICD-10 diagnosis entry used to group records related to Multiple valve diseases. You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen. ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Diseases of the circulatory system (I00-I99).

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Diseases of the circulatory system (I00-I99).

When is it used?

May be used when a clinician documents multiple valve diseases in a patient's medical record.
May appear in hospital records, claims, referrals, and clinical documentation.
This code may act more like a grouping or parent code, so a more specific child code may be used in final documentation when available.

What it does not mean

A code alone does not explain severity, treatment plan, or outcome.
A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
This entry may represent a broader category rather than the most specific billable code.

Code hierarchy

chapter

9Diseases of the circulatory system (I00-I99)

block

I05-I09Chronic rheumatic heart diseases

currentI05-I09

Official coding notes

Includes

multiple valve diseases specified as rheumatic or unspecified

Excludes1 (do not code together)

endocarditis, valve unspecified (I38)
rheumatic valve disease NOS (I09.1)

Excludes2 (may code together if documented)

multiple valve disease specified as nonrheumatic (I34.-, I35.-, I36.-, I37.-, I38.-, Q22.-, Q23.-, Q24.8-)

Where you may see this code

You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen.

Related specialists

CardiologistGeneral Physician

Sibling codes

I05Rheumatic mitral valve diseases I06Rheumatic aortic valve diseases I07Rheumatic tricuspid valve diseases I09Other rheumatic heart diseases

Coding guidelines

Compatibility

Legacy code aligns to an official FY 2026 category. Frontend should resolve to the official category page and surface the billable child codes.

Legacy codes

I08

Replacement codes

I08.0 — Rheumatic disorders of both mitral and aortic valvesI08.1 — Rheumatic disorders of both mitral and tricuspid valvesI08.2 — Rheumatic disorders of both aortic and tricuspid valvesI08.3 — Combined rheumatic disorders of mitral, aortic and tricuspid valvesI08.8 — Other rheumatic multiple valve diseasesI08.9 — Rheumatic multiple valve disease, unspecified

Common synonyms

Multiple valve diseases

Frequently asked questions

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.