2019 or 2020?
And Lacerte's worksheets don't use 'letters', so what software are you really using?
"the game of life is hard to play"
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Is your software up to date? Press F10 > Click Versions > You should see 2019 New Jersey Tax Version 40.1021
Look at Federal 1040, schedule A and see if the medical shows up. Maybe it just is not large enough? I do see my really large dummy number ($40,000 medical) showing up on line 31 and the supplemental schedule F.
Are you sure aren't in 2020? It is not yet ready.