30 then the priest shall see the plague; and if it looks deeper than the skin and the hair in it is yellowish and thin, then the priest shall pronounce him unclean; it is a dry scall, leprosy of the head or beard.
Leviticus 13:30 Cross References - EJ2000
Leviticus 13:34-37
34 And in the seventh day the priest shall look on the scall; and if the scall is not spread in the skin nor in appearance deeper than the skin, then the priest shall pronounce him clean; and he shall wash his clothes and be clean.
35 But if the scall spreads much in the skin after his cleansing,
36 then the priest shall look at it; and if the scall is spread in the skin, the priest shall not seek for yellowish hair; he is unclean.
37 But if the scall appears to him to be stayed and there is black hair grown up in it, the scall is healed; he is clean; and the priest shall pronounce him clean.
Leviticus 14:54
54 ¶ This is the law for all manner of plague of leprosy and scall