Cross reference
Leviticus 14:37
37 and he shall look on the plague; and, behold, if the plague be in the walls of the house with hollow streaks, greenish or reddish, and the appearance thereof be lower than the wall;
Leviticus 13:3
3 and the priest shall look on the plague in the skin of the flesh: and if the hair in the plague be turned white, and the appearance of the plague be deeper than the skin of his flesh, it is the plague of leprosy; and the priest shall look on him, and pronounce him unclean.
Leviticus 13:19-20
19 and in the place of the boil there is a white rising, or a bright spot, reddish-white, then is shall be showed to the priest;
20 and the priest shall look; and, behold, if the appearance thereof be lower than the skin, and the hair thereof be turned white, then the priest shall pronounce him unclean: it is the plague of leprosy, it hath broken out in the boil.
Leviticus 13:42
42 But if there be in the bald head, or the bald forehead, a reddish-white plague; it is leprosy breaking out in his bald head, or his bald forehead.
Leviticus 13:49
49 if the plague be greenish or reddish in the garment, or in the skin, or in the warp, or in the woof, or in anything of skin; it is the plague of leprosy, and shall be showed unto the priest.