Nonrheumatic mitral valve disorders (I34)

Browse all the diagnosis codes used for nonrheumatic mitral valve disorders (i34). For easy navigation, the diagnosis codes are sorted in alphabetical order and grouped by sections. Each section is clearly marked with its description, and the corresponding three-digit code range. This format makes it simple to browse diagnosis codes in this chapter or section and find what you're looking for. We've also added green checkmark icons to label billable codes, and red warning icons for non-billable ones. This makes it easy to identify which codes can be billed.

Clinical Information

Mitral Valve Prolapse - Abnormal protrusion or billowing of one or both of the leaflets of MITRAL VALVE into the LEFT ATRIUM during SYSTOLE. This allows the backflow of blood into left atrium leading to MITRAL VALVE INSUFFICIENCY; SYSTOLIC MURMURS; or CARDIAC ARRHYTHMIA.

Instructional Notations

Type 1 Excludes

A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

• mitral valve disease I05.9
• mitral valve failure I05.8
• mitral valve stenosis I05.0
• mitral valve disorder of unspecified cause with diseases of aortic and/or tricuspid valves I08
• mitral valve disorder of unspecified cause with mitral stenosis or obstruction I05.0
• mitral valve disorder specified as congenital Q23.2 Q23.9
• mitral valve disorder specified as rheumatic I05