Q. Is it necessary to post no smoking signs on doors where oxygen is being administered?
A. No. The Joint Commission references NFPA 99-1999, which states in 8-6.4.2 (exception): "in health care facilities where smoking is prohibited and signs are prominently (strategically) placed at all major entrances, secondary signs with no-smoking language are not required. The nonsmoking policies shall be strictly enforced."