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Thread: Descent of Cerebellar Tonsils

  1. #1
    Join Date
    Apr 2007

    Question Descent of Cerebellar Tonsils

    AAPC: Back to School
    Does anyone know what Dx code to use for "worsening of the descent of cerebellar tonsils"? The medhelp.org forum suggests that this is another term for Chiari Malformation. I wanted to get some confirmation before I used this diagnosis.

    Anyone's help is greatly appreciated


  2. #2
    Join Date
    Apr 2007
    Baton Rouge


    Yes, that is correct. There are 4 types...look up Chiari malformation in the ICD-9 CM index, that should get you on the right track. Also, here's the link to an earlier AAPC forum thread that you may find helpful.

    Meagan Strauss, CPC, CEMC
    Coding Coordinator
    The NeuroMedical Center
    Baton Rouge, LA

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