on a 25 mIU/hcg test, if the line is faint, is there less than 25?

Jessica • Married to my HS sweetheart ❤ 💙 GEL 4/6/18 and RJL 1/16/20 sweet baby boys
Or is it it detected 25 at the very faintest and if it's a blazing line it's more than 25 hcg? I'm trying to figure out if a faint line is < 25hcg. Thank you!