Gastroenterology
Mayo Score for Ulcerative Colitis
Calculates the full Mayo Score (0–12) from stool frequency, rectal bleeding, endoscopic findings, and physician global assessment.
Enter clinical findings
Choose one score for each of the four components.
View scoring reference
| Component | 0 | 1 | 2 | 3 |
|---|---|---|---|---|
| Stool frequency | Normal | 1–2 more than normal | 3–4 more than normal | 5 or more than normal |
| Rectal bleeding | No blood seen | Streaks with stool less than half the time | Obvious blood with stool most of the time | Blood alone passed |
| Endoscopic findings | Normal or inactive disease | Mild disease | Moderate disease | Severe disease |
| Physician global assessment | Normal | Mild disease | Moderate disease | Severe disease |
Clinical note: This calculator is intended for trained healthcare professionals. Apply local clinical guidance and interpret the total alongside the individual subscores and the patient’s overall assessment.
