1. Pearl Eaton
   Posted 5 months ago #
   

   We have been billing these codes to BCBS with RT & LT modifer. They are being denied, some are for experimental/investigative, then sometimes they pay for 1 denying the other as a duplicate. How is the best way to bill BCBS for these codes?

2. SuperCoder
   Posted 5 months ago #
   

   These codes have modifier indicator "2" which means bilateral payment adjustment doesn't apply. So, the context of using modifier RT and LT doesn't arise.
   With their code descriptors specifying “unilateral or bilateral,” Medicare may require you to bill 92133 or 92134 only once, regardless of whether the test is performed on one or both eyes.

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