Leviticus 13:54

54 then the priest shall command that they wash the thing in which is the disease, and he shall shut it up seven days more;

Leviticus 13:54 Meaning and Commentary

Leviticus 13:54

Then the priest shall command that they wash [the thing]
wherein the plague [is]
The priest did not wash it himself, but ordered others to do it; and this was either the part in which the plague was, or the whole garment or skin in which it was; which may be typical of the washing of the garments of men in the blood of Christ, which cleanses from all sin, ( Revelation 7:14 ) ( 1 John 1:7 ) ( Zechariah 13:1 ) : and he shall shut it up seven days more:
the garment or skin in which the leprosy was, or suspected to be, to see what alteration would be made by that time through the washing, whether the colour would be altered, or whether it would spread any more or not.

Leviticus 13:54 In-Context

52 And he shall burn the garment, whether diseased in warp or woof, woolen or linen, or anything of skin, for it is a malignant leprosy; it shall be burned in the fire.

53 "And if the priest examines, and the disease has not spread in the garment in warp or woof or in anything of skin,

54 then the priest shall command that they wash the thing in which is the disease, and he shall shut it up seven days more;

55 and the priest shall examine the diseased thing after it has been washed. And if the diseased spot has not changed color, though the disease has not spread, it is unclean; you shall burn it in the fire, whether the leprous spot is on the back or on the front.

56 "But if the priest examines, and the disease is dim after it is washed, he shall tear the spot out of the garment or the skin or the warp or woof;