Leviticus 13:4-5

A Bright Spot on the Skin

13:4 “If it is a white bright spot on the skin of his body, but it does not appear to be deeper than the skin, and the hair has not turned white, then the priest is to quarantine the person with the infection for seven days. 13:5 The priest must then examine it on the seventh day, and if, as far as he can see, the infection has stayed the same and has not spread on the skin, then the priest is to quarantine the person for another seven days.

Leviticus 13:23

13:23 But if the bright spot stays in its place and has not spread, it is the scar of the boil, so the priest is to pronounce him clean.