ICD-10-CM > I00-I99 > I30-I5A > I36 I36 Nonrheumatic tricuspid valve disorders Non-Billable/Non-Specific Type 1 Excludes tricuspid valve disorders of unspecified cause (I07.-)tricuspid valve disorders specified as congenital (Q22.4, Q22.8, Q22.9)tricuspid valve disorders specified as rheumatic (I07.-)tricuspid valve disorders with aortic and/or mitral valve involvement (I08.-) Codes I36.0Nonrheumatic tricuspid (valve) stenosisI36.1Nonrheumatic tricuspid (valve) insufficiencyI36.2Nonrheumatic tricuspid (valve) stenosis with insufficiencyI36.8Other nonrheumatic tricuspid valve disordersI36.9Nonrheumatic tricuspid valve disorder, unspecified