I believe you want Misc Income>Alimony and Other Income and about half way down that list there's a box for Nontaxable medicaid waiver payments to care provider to include in earned income that were not report on W-2 Box 1

A quick way to find while in the Detail screen is to use Ctrl + F and start a search. In this case use MEDICAID and you will get 8 entry points that you need to look at.