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Using RT/LT vs. FA,F1,etc.....

  1. Default Using RT/LT vs. FA,F1,etc.....
    Medical Coding Books
    Is there any set rule when to use modifiers F1, F2 versus RT and LT when coding for the hand/fingers? Thanks.

  2. #2
    Location
    North Carolina
    Posts
    3,126
    Default
    I have a hand surgeon and the "F" modifiers are frequently used and paid without a hitch. As for RT/LT, I use these for carpal tunnel sugery (as an example) to denote which hand. If it's a bilateral procedure, it becomes carrier specific (in my case) and I use RT/LT or 50...whichever they prefer.

  3. #3
    Location
    Louisville, KY
    Posts
    1,101
    Default
    Basic rule: Code the greatest degree of specificity. I always interpreted that to include the F, T modifiers as well. When the information is available, I can find no logical reason to defer to more general modifiers (50, RT, etc).

    I'm not sure this helps, but hope so.

  4. #4
    Default
    I use the F and T modifier's for my fractures because if you are dealing with more that one digit the claim will probably deny as duplicate if you aren't more specific.

  5. Default RT/LT versus F and T modifiers
    So I could use an "F" modifier if say the Doc repairs fractures to the metacarpals of the left long and ring finger or the metacarpalphalangeal joints? This is where I get hung up. Thank you all for your help!!

  6. #6
    Default
    Quote Originally Posted by skorkfranks View Post
    So I could use an "F" modifier if say the Doc repairs fractures to the metacarpals of the left long and ring finger or the metacarpalphalangeal joints? This is where I get hung up. Thank you all for your help!!
    Yes, you would use F2 and F3, i'm assuming the long finger is the middle finger ?

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