Hey there, thought I'd post as to how to do this in TurboTax 2018 Premier. I don't know how this would be entered if you are truly self-employed and filing Schedule C, but for folks who are 2%+ shareholders in a subchapter-S corporation and therefore receive a K-1 from that corporation, this is how I finally got Turbotax to include this. First, in the interview under "Wages & Income", then "Business Items", click on Update next to "Schedules K-1, Q". Click on Yes when asked if you want to review Schedules K-1 or Q. Click on 'Update" next to "S Corporations (Form 1120S) which will take you to the S Corporation K-1 Summary page. Select "Edit" on the K-1 for each individual for whom the corporation paid health insurance and are 2%+ shareholders (if more than one, you have to do them one at a time). Click through all the various pages for which you entered figures from that K-1 and you will finally arrive at a page titled "Other Situations". The fourth line down says "I personally paid health insurance and/or long-term care insurance premiums for myself and my family and this S corporation paid me wages." Even though it is illogical if like us the corporation actually paid these premiums along with those for other employees, go ahead and click the checkbox then click "Continue". This will take you to the previously inaccessible "Self-Employed Health Insurance" page. On that page, key in the figure in box 5 of your W-2 as instructed and then below that, the total health insurance premiums that were added to your W-2 to begin with. In our case, our accountant put this figure in Box 14 Other. Although this is all really stupid, adding in the insurance premiums to each shareholder's W-2 as income and then having to go through all these steps to pull it back out again, this is what you have to do if you don't want to pay income tax on the insurance premiums you paid. Note that until this morning, TurboTax did not include the necessary Schedule 1 form as mentioned above by VolvoGirl. When I opened up TurboTax this evening (02/08/2019), I was asked to install updates and among them was finally Schedule 1 needed to do this step. So make sure you have the latest TT updates installed. Good Luck!
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