If you have a salary reduction agreement to put money in a medical FSA, it should be removed from your box 1 wages by your employer. If you are concerned the wages were not removed, you need to talk to your employer.
If you have a salary reduction agreement to put money in a dependent care FSA, it should be removed from your box 1 wages and include in box 10. You need to complete the dependent care interview to give the name of the caregiver and your qualifying expenses.
