Leviticus 13:17

And the priest shall see him: and, behold, if the plague be turned into white; then the priest shall pronounce him clean that hath the plague: he is clean.

Cross-reference

Leviticus 14:7 Historical context

Leviticus 14:7 details the priestly ritual of sprinkling blood and pronouncing clean — directly continuing the same cleansing procedure for leprosy.