Modifier RT

Right side

Instructions

Used to identify procedures performed on right side of body. Refer to Medicare Physician Fee Schedule database (MPFSDB) to determine if HCPCS modifier RT is applicable to a particular procedure code

Correct Use

  • When body contains a right and left anatomical part of body and a service is performed on right anatomical part

Incorrect Use

  • When a procedure code specifies bi-lateral or a side of body

Note: Modifier RT does not affect allowed amount on a claim; however, lack of modifier can cause denials or development to occur

Resource

 

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