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’
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MITRAL VALVE ONLY
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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
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396.0 | Mitral valve |
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