Reference

Leviticus 13:5

And the priest shall look on him the seventh day: and, behold, if the plague in his sight be at a stay, and the plague spread not in the skin; then the priest shall shut him up seven days more:
3

And the priest shall look on the plague in the skin of the flesh: and when the hair in the plague is turned white, and the plague in sight be deeper than the skin of his flesh, it is a plague of leprosy: and the priest shall look on him, and pronounce him unclean.

4

If the bright spot be white in the skin of his flesh, and in sight be not deeper than the skin, and the hair thereof be not turned white; then the priest shall shut up him that hath the plague seven days:

5

And the priest shall look on him the seventh day: and, behold, if the plague in his sight be at a stay, and the plague spread not in the skin; then the priest shall shut him up seven days more:

6

And the priest shall look on him again the seventh day: and, behold, if the plague be somewhat dark, and the plague spread not in the skin, the priest shall pronounce him clean: it is but a scab: and he shall wash his clothes, and be clean.

7

But if the scab spread much abroad in the skin, after that he hath been seen of the priest for his cleansing, he shall be seen of the priest again:

Counter-Arguments

The strongest case that this verse does not belong in this theme.

Pre-Law Clean/Unclean Distinction

This verse is found within the book of Leviticus, which is part of the Mosaic Law given at Sinai, therefore it describes a clean/unclean distinction *within* the Law, not before it.

Seventh-Day Sabbath

The verse mentions "the seventh day" as a point in a diagnostic timeline for a skin condition, not as a day of rest or a Sabbath. There is no explicit or implicit connection to the concept of a Sabbath.

Symbolic / Spiritual Interpretation

The verse describes a literal physical examination of a skin condition by a priest and the subsequent quarantine period, with no language or imagery that suggests a symbolic or spiritual meaning for "plague" or "skin."