Please help. Is it "proper" billing to bill 94760 with an office visit (99213/99214) or a nebulizer treatment (94640)? I know if you add modifiers you might get paid . In our situation a medical assistant will take a patients pulse ox and record it in the medical record. We use to do this (with modifier 59 on pulse ox) and got audited by BCBS and they took back payment made for 94760. Now being told to do it again??? (I'm concerned that this would just be unbundling inappropriately.)