Leviticus 14:39
He is to return after seven days to examine it. If the contagion has spread to the walls of the house,
Leviticus 13:7-8
But if the scab did spread in the skin after he presented himself to the priest for cleansing, then he is to show himself a second time to the priest.
Leviticus 13:22
But if the infection has spread in the skin, then the priest is to declare him unclean. It's a skin rash.
Leviticus 13:27
When the priest examines it on the seventh day and finds that it has indeed spread on the skin, then the priest is to declare him unclean. It's an infectious skin disease.
Leviticus 13:36
and the priest examines it and finds the scale to have spread on the skin, the priest need not look for yellowish hair, since he is clean.
Leviticus 13:51
The priest is to examine the contagion on the seventh day. If the infection has spread on the clothing, in the woven material, the knitted material, or in the leather, no matter the purpose for which the leather material had been manufactured, the contagion is a chronic fungal infection. It's unclean.