No once you hit the cap on Social Security with the wages, that will be entered by TurboTax in the Self-employment tax computation.
EDITED: 2-1-2018 3:40 PM (CST)
Attached is the link to SE computation form: https://www.irs.gov/pub/irs-pdf/f1040sse.pdf
Notice Sch B: part 1, line 8a this is where the wages will be. It is social security only that stops and medicare tax continues as mentioned in the comment.
