佛說目連問戒律中五百輕重事經 1.166

1.166

問：「比丘病，得離鉢食不？」答：「重病得。小病不得。」

Question: "When a bhikṣu is sick, may he eat apart from his pātra or not?"
Answer: "If he is gravely ill, he may. If it is a minor illness, he may not."