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influenza A & B testing

  1. #1
    Kachina Coders
    Default influenza A & B testing
    Medical Coding Books
    Our office will be doing the influenza testing for A and B w/ CPT code 87804-- my question is that if we do the test for both A and B strains how do we code this? We will be using CPT code 87804-- BCBS states to use modifier 91, others have stated to use Modifer 59. if your opinion which is the correct way to code this ? Thanks in advance for any help

  2. #2
    Default Flu Testing
    What test kit are you using?
    Heather Winters, CPC, CFPC

  3. #3
    North Carolina
    We perform this test and have had great success with modifier 59.
    Rebecca CPC, CPMA, CEMC

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  4. Default
    use modifier -59 on the second one. It's the proper one to use and is paid by most carriers

  5. #5
    Gainesville, GA
    You have to specify the results for both test.

    Lisa D

  6. #6
    First Hill, Seattle WA
    Default We've used -91
    in the past without issue. However, it is up to what the individual carriers want.

  7. #7
    Greeley, Colorado
    Red face
    If influenza A is neg, but B is pos, what ICD-9 codes do you use?
    Lisa Bledsoe, CPC, CPMA

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