78452, 93015, a9500, 96374, j7050, 96375, j0152

These are the codes swe use for our nuclear stress tests-Humana Medicare continues to deny 96374 and 96375 stating these are an integral part of 93015-these codes do have 59 modifier appended to them along with the correct dx code being used for the stress test-is this right-everytime I appeal Humana upholds their decision-kp