Contradiction with Matthew 7:1
Leviticus 13:50 involves judgment by a priest, while Matthew 7:1 advises not to judge others.
Matthew 7:1: Judge not, that ye be not judged.
Contradiction with Romans 14:13
Leviticus 13:50 discusses examining and segregating, whereas Romans 14:13 urges not to put obstacles in others' way.
Romans 14:13: Let us not therefore judge one another any more: but judge this rather, that no man put a stumblingblock or an occasion to fall in [his] brother's way.
Contradiction with John 8:7
Leviticus 13:50 talks about deciding on impurity, but John 8:7 implies one should not judge unless sinless.
John 8:7: So when they continued asking him, he lifted up himself, and said unto them, He that is without sin among you, let him first cast a stone at her.
Contradiction with James 2:13
In Leviticus 13:50, the priest's judgment is critical, whereas James 2:13 emphasizes mercy over judgment.
James 2:13: For he shall have judgment without mercy, that hath shewed no mercy; and mercy rejoiceth against judgment. [rejoiceth: or, glorieth]
Contradiction with 1 Samuel 16:7
Leviticus 13:50 relies on external examination; 1 Samuel 16:7 highlights seeing beyond appearances.
1 Samuel 16:7: But the LORD said unto Samuel, Look not on his countenance, or on the height of his stature; because I have refused him: for [the LORD seeth] not as man seeth; for man looketh on the outward appearance, but the LORD looketh on the heart. [outward...: Heb. eyes]