Table 1 Tier system
Tier | Criteria | Timing |
|---|---|---|
1 | Abnormal imaging, rapid weight loss, dehydration due to GI symptoms, ongoing GI bleeding, acute dysphagia | Within 1 week |
2 | Chronic diarrhea, chronic dysphagia, chronic anemia, Post-polypectomy/resection follow up, variceal screening with history of bleed | Within 4 weeks |
3 | Barrett’s follow up/surveillance, variceal screening without bleed, IBD surveillance | Within 3 months |
4 | Screening or surveillance procedures for polyps without any alarm signs | After 3 months |