I05.8 Other rheumatic mitral valve diseases

Billable ICD-10-CM code, FY2026.

Applicable to

• Rheumatic mitral (valve) failure

Applies from I05 Rheumatic mitral valve diseases

Includes

• conditions classifiable to both I05.0 and I05.2-I05.9, whether specified as rheumatic or not

Excludes1 (never code together)

• mitral valve disease specified as nonrheumatic (I34.-)
• mitral valve disease with aortic and/or tricuspid valve involvement (I08.-)

MS-DRG index

Defines the logic of DRG(s) 306-307 in MDC 05.

Approximate ICD-9-CM (GEMs)

• 394.9 Other and unspecified mitral valve diseases (approximate)

Code annotations containing back-references to I05.8

Back-references to I05.8

• Type 1 Excludes: I34 Nonrheumatic mitral valve disorders ("mitral valve failure (I05.8)")

Back-references to I05

• Type 1 Excludes: I01 Rheumatic fever with heart involvement ("chronic diseases of rheumatic origin (I05-I09) unless rheumatic fever is also present or there is evidence of reactivation or activity of the rheumatic process.")
• Code Also: I27.22 Pulmonary hypertension due to left heart disease ("rheumatic mitral valve diseases (I05.-)")
• Type 1 Excludes: I34 Nonrheumatic mitral valve disorders ("mitral valve disorder specified as rheumatic (I05.-)")
• Type 2 Excludes: I51 Complications and ill-defined descriptions of heart disease ("heart disease specified as rheumatic (I00-I09)")

Diagnosis Index entries for I05.8

• Calcification › mitral (valve) › annular › rheumatic
• Calcification › mitral (valve) › annulus › rheumatic
• Deformity › mitral (leaflets) (valve)
• Disease, diseased › heart (organic) › mitral › specified NEC
• Endocarditis (chronic) (marantic) (nonbacterial) (thrombotic) (valvular) › mitral (chronic) (double) (fibroid) (heart) (inactive) (valve) (with chorea) › specified NEC
• Failure, failed › mitral
• Sclerosis, sclerotic › mitral

Nearby codes

• I05 Rheumatic mitral valve diseases
• I05.0 Rheumatic mitral stenosis
• I05.1 Rheumatic mitral insufficiency
• I05.2 Rheumatic mitral stenosis with insufficiency
• I05.8 Other rheumatic mitral valve diseases (this code)
• I05.9 Rheumatic mitral valve disease, unspecified