I06.1 Rheumatic aortic insufficiency

Billable ICD-10-CM code, FY2026.

Applicable to

• Rheumatic aortic incompetence
• Rheumatic aortic regurgitation

Applies from I06 Rheumatic aortic valve diseases

Excludes1 (never code together)

• aortic valve disease not specified as rheumatic (I35.-)
• aortic valve disease with mitral 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)

• 395.1 Rheumatic aortic insufficiency

Code annotations containing back-references to I06.1

Back-references to I06

• 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 aortic valve diseases (I06.-)")
• Type 2 Excludes: I35 Nonrheumatic aortic valve disorders ("aortic valve disorder specified as rheumatic (I06.-)")
• Type 2 Excludes: I51 Complications and ill-defined descriptions of heart disease ("heart disease specified as rheumatic (I00-I09)")

Diagnosis Index entries for I06.1

• Insufficiency, insufficient › aortic (valve) › rheumatic

Nearby codes

• I06 Rheumatic aortic valve diseases
• I06.0 Rheumatic aortic stenosis
• I06.1 Rheumatic aortic insufficiency (this code)
• I06.2 Rheumatic aortic stenosis with insufficiency
• I06.8 Other rheumatic aortic valve diseases
• I06.9 Rheumatic aortic valve disease, unspecified