Business & farm

TurboTax allows you to make that adjustment by selecting " This is not money earned as an employee or self-employed individual.  It is from a sporadic activity or hobby." This is done right after you enter your 1099-NEC. It does report this income then on 1z, as other income allowing it to be taxed as ordinary income and does not include it as self-employment activity therefore it is not subject to SE Taxes. 

If you want to report it on Schedule 1