Table 1.

Three-tiered system for the precautionary measures required during endoscopy

	Maximum precautions	Enhanced precautions	Standard precautions
Safety measures
Isolate patient	Yes	No	No
Negative pressure room	Yes	No	No
Head and shoe coverings	Yes	Yes	No
Full-sleeved gown	Yes	Yes	Yes
Face shield or goggles	Yes	Yes	Yes
Gloves	Yes	Yes	Yes
Mask	Respirator (N95+)	Respirator (N95+)	Surgical mask
Timing of procedure
Emergency endoscopy	High clinical or epidemiologic risk	Low clinical and epidemiologic risk	N/A
Urgent endoscopy	High clinical or epidemiologic risk, with a positive POCT (or no test) Or Low clinical and epidemiologic risk, with a positive POCT	Low clinical and epidemiologic risk, with a negative POCT (or no test) Or High clinical or epidemiologic risk, with a negative POCT	N/A
Elective endoscopy	High clinical/epidemiologic risk or positive POCT and procedure retriaged as urgent	Low clinical and epidemiologic risk with a negative POCT and unacceptable FN threshold	Low clinical and epidemiologic risk with a negative POCT and acceptable FN threshold

N/A, not applicable; FN, false negative; POCT, point-of-care test.