What category would earnings from a plasma donation fall under?

[JohnW152]

This would be categorized as Miscellaneous Income.

To enter this income in TurboTax Online:

1. Select Tax Home in the left pane
2. On the Hi, let's keep working on your taxes! screen, select the dropdown to the right of Income & Expenses
3. Select Start, Pick up where you left off or Review/Edit, as appropriate
4. Scroll down and select the Show more dropdown to the right of Less Common Income
5. Select Start or Revisit to the right of Miscellaneous Income, 1099-A, 1099-C
6. On the Let's Work on Any Miscellaneous Income page, select Start  to the right of Other reportable income
7. On the Any Other Taxable Income? screen, select Yes
8. On the Other Taxable Income screen, enter Plasma as a description, enter the amount of income your received, and then select Continue