I am new to AAPC and this is my first time asking a question. Our Doctors will draw a general health profile and the TSH will come back abnormal so they will add a Free T4. We had been using 794.5 as the dx code but one of the Doctors said that's not correct. That is only for an uptake/scans of thyroid that are abnormal. What code would/are you all using for abnormal TSH? Thanks!