How to take a day off without using time

So I don't have enough upt or flexible pto to take off for the day but I do have enough vacation time that I can't use nd need a day off I tried to find the covid thing since I'm sick nd been sick for the past 5 days going on 6 nd I was thinking about going to the doctors and getting an excuse but don't really wanna drive anywhere nd I don't know if the tela heath would give me one cuhz I never used that before like I just need to find a way so I can take the day off maybe 2