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Cardiology Coding Alert

ICD-10-CM:

424.1 Splits Multiple Ways Under the New Code Set

Published on Tue Jan 10, 2012

Watch for when combo codes are most appropriate.The switch to ICD-10-CM on Oct. 1, 2013, doesn't sound so far away now that 2012 is here. To be sure your practice is ready to report aortic valve disorders, check out how the new code set divides this diagnosis.ICD-9-CM Code424.1, Aortic valve disordersICD-10-CM CodesI35.0, Nonrheumatic aortic (valve) stenosisI35.1, Nonrheumatic aortic (valve) insufficiencyI35.2, Nonrheumatic aortic (valve) stenosis with insufficiencyI35.8, Other nonrheumatic aortic valve disordersI35.9, Nonrheumatic aortic valve disorder, unspecifiedA disorder of the aortic valve refers to a problem with the valve between the aorta and the left ventricle.ICD-9 coding rules: ICD-9 offers one code to cover aortic valve disorders not specified as rheumatic. Among the notes with the code is an excludes note pointing you instead to 395.x (Diseases of aortic valve) when documentation specifies "rheumatic."ICD-10 changes: You'll need to choose from multiple aortic valve disorder codes in the I35.- range under ICD-10. [...]
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