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Wiki Medicare is Denying My Ua's (81002)

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Independence, MO
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Recently Medicare is denying my ua's (81002) stating reason 16 Claim/service lacks information or has submission/billing errors; and N575 Mismatch between the submitted ordering/referring provider name and the ordering/referring provider in our records. N264: Missing/incomplete/invalid ordering provider name. They are paying for the E/M service the same day and I'm using a 59 modifier showing that this was a separate lab procedure. Anyone know why this is happening? Just started this past few weeks.
 
Since this is a lab, no 25 modifier is needed. I would check to make sure you have a referring doctor and that the correct information is populating in box 17
 
If there is no referring doctor other than your own doctor, put that info in box 17. A lab done in the office will deny without a referring/ordering doctor, which is what it sounds like they are telling you.
 
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