quizle twhen billing for a clia-waived test in a physician’s office for a medicare beneficiary, what must be done to bill that lab test appropriately? a. there are no special billing requirements for clia waived tests. b. modifier ga should be appended to cpt code® for the lab test. c. modifier qw should be appended to the cpt® code for the lab test. d. an abn must be signed every time.
