Leviticus 15 details various forms of human uncleanness—providing the specific cases that Leviticus 5:3 refers to for unintentional contact requiring a guilt offering.

Leviticus 7:21 warns that touching human uncleanness and then eating holy meat results in being cut off, directly applying the impurity from Leviticus 5:3.

Leviticus 22:4-6 lists human uncleanness disqualifying priests—echoing the same types of uncleanness that in Leviticus 5:3 require a guilt offering when touched unintentionally.

Numbers 19:11-16 specifies the seven-day uncleanness and purification for touching a human corpse, detailing the general uncleanness referenced in Leviticus 5:3.

Numbers 19:13 adds the penalty of being cut off for failing to purify after touching a corpse, reinforcing the seriousness of Leviticus 5:3's uncleanness.

Isaiah 52:11 calls for touching no unclean thing, echoing the purity laws of Leviticus 5:3 in a prophetic call to separate from exile.