I08

Multiple valve diseases

FY2027Chapter 9: Diseases of the circulatory system/I05–I09 Chronic rheumatic heart diseases

Non-billable headerNot valid on its own. Use one of the more specific codes under it.

I08 is a non-billable ICD-10-CM code category for multiple valve diseases. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are I08.0 Rheumatic disorders of both mitral and aortic valves; I08.1 Rheumatic disorders of both mitral and tricuspid valves; I08.2 Rheumatic disorders of both aortic and tricuspid valves; I08.3 Combined rheumatic disorders of mitral, aortic and tricuspid valves and 2 more. Its coding notes include 2 Excludes1 entries and 11 Excludes2 entries.

Excludes1

Not coded here. The listed conditions generally should not be reported together.

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

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

This code
Also from chapter/block level (10 notes)
Inherited from Chapter 9 Diseases of the circulatory system
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • systemic connective tissue disorders (M30-M36)
  • transient cerebral ischemic attacks and related syndromes (G45.-)

Includes

Further defines or gives examples of the content of the category.

This code
  • multiple valve diseases specified as rheumatic or unspecified

More specific codes under I08 6