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80400 acth with 82533 - Modifier?

  1. #1
    Question 80400 acth with 82533 - Modifier?
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    How do you code 80400 with 82533? Patient had 80400 (for adrenal insufficiency) Under this cpt code is the note "This panel must include the following: Cortisol (82533 x 2)

    The patient's blood was drawn 3 times: 0, 30 minutes, 60 minutes
    So, I believe that I need to use 82533 x3

    3M tells me that 82533 is a component of 80400 and can be billed with the correct modifier. Is -.91 the correct modifier?

  2. #2
    Default 82533

    Did you ever get an answer to this? I am working on a denial for a similar issue.


  3. Default
    Shouldn't 82533 be included in the 80400? Hence, you code 80400, 80400-91, etc.

  4. #4
    Default modifier
    You will need to use the 59 modifier when using 82533 with panel code 80400.
    Dana Chock CPC, CCA, CANPC, CHONC
    Anesthesia, Pathology, & Laboratory Coder

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