394.x-398.x and 424.x: Clarify the Role of ‘Rheumatic’

Use this cheat sheet to aid your non-congenital valve disorder coding

 

Code Descriptor Role of ‘Rheumatic’

 

MITRAL VALVE ONLY

 

394.0 Mitral stenosis Use if specified as rheumatic or unspecified. If specified as non-rheumatic, use 424.0.
394.1 Rheumatic mitral insufficiency Specific to rheumatic cases. For others, use 424.0.
394.2 Mitral stenosis with insufficiency Use if specified as rheumatic or unspecified. If specified as non-rheumatic, use 424.0.
394.9 Other and unspecified mitral valve disease Use if specified as rheumatic or unspecified. If specified as non-rheumatic, use 424.0.
424.0 Mitral valve disorders Use if specified as non-rheumatic. Also use for mitral insufficiency of unspecified cause.
AORTIC VALVE ONLY
395.0 Rheumatic aortic stenosis Specific to rheumatic cases. For others, use 424.1.
395.1 Rheumatic aortic insufficiency Specific to rheumatic cases. For others, use 424.1.
395.2 Rheumatic aortic stenosis with insufficiency Specific to rheumatic cases. For others, use 424.1.
395.9 Other and unspecified rheumatic aortic diseases Specific to rheumatic cases. For others, use 424.1.
424.1 Aortic valve disorders Use if specified as non-rheumatic or unspecified. If specified as rheumatic, see 395.x.
BOTH MITRAL AND AORTIC VALVES

 

396.0 Mitral valve

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