Leviticus 13:46
All the days wherein the plague shall be in him he shall be defiled; he is unclean: he shall dwell alone; without the camp shall his habitation be.
Cross-reference
Leviticus 14:3 describes the priest going outside the camp to examine the leper for cleansing — directly continuing the isolation rule.
Leviticus 4:12 also sends the sin offering bull outside the camp, reinforcing that outside is where impurity and sin are removed.
Leviticus 24:14 also sends the blasphemer outside the camp for execution, showing outside as place of judgment.
Numbers 5:2 commands lepers be put out of the camp, directly enforcing the isolation rule.
Numbers 12:14 instructs Miriam be shut out for seven days, following the isolation law.
Numbers 12:15 records Miriam's seven-day isolation, illustrating the duration of separation.
2 Kings 7:3 shows lepers at the city gate, consistent with dwelling outside the camp.
2 Kings 15:5 describes King Azariah living in a separate house due to leprosy, fulfilling the isolation command.
2 Chronicles 26:21 confirms Uzziah's separation as a leper, cut off from the house of the LORD.
1 Corinthians 5:5 applies the same discipline of removing the sinful from the community for their restoration — the leper's isolation was a pattern for church discipline.
In 1 Corinthians 5:9-13, Paul commands expelling the immoral from the church — directly echoing the OT command to isolate the unclean from the camp.
Luke 17:12 shows lepers standing at a distance as Jesus enters, demonstrating obedience to the isolation law in Leviticus.
Numbers 19:3 takes the red heifer outside the camp for slaughter, another ritual use of outside the camp for purification.
2 Thessalonians 3:6 instructs believers to keep away from idle brothers — a NT application of separating from disruptive members as with the leper.
In 2 Thessalonians 3:14, Paul says to have nothing to do with the disobedient — the same principle of exclusion for correction used in Leviticus.