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I dont have lot of knowledge on Allergy coding , If patient comes in for their allergy injection do we need to bill dilution (CPT 95165) each time patient comes in for injection ?
I have been billing 95115 and 95117 together with 1 unit and I always get one paid and one denied.Depends upon insurance type, some allow a bulk bill of antigen mixed, and when patient comes for the shot you would only bill for 95115 or 95117. If not bulk billing antigen, you would bill a unit value per antigen dose or per ml depending upon your insurance guidelines, some dont pay for diluent and if you have a 10ml vial you get to bill 10 doses regardless of whether administering .5 ml or not. If your vial contains two antigens your 95165 would be 2 units and the shot code 95117.