Questionnaire to help distinguish between abdominal wall pain and functional abdominal pain.

Calculate the probability that Alcoholic Liver Disease is present (versus Nonalcoholic Fatty Liver Disease)

BMI, AST to ALT Ratio, and Diabetes Mellitus are the items in this calculator.

Liver failure prognosis calculator

Red flag checklist for constipation.

Constipation Assessment and Plan

A calculator for the diagnosis of diverticulitis.

This calculator is intended to help guide evaluation for dyspepsia and guide the workup once that diagnosis is established.

Differential diagnosis of foodborne illness on the basis of onset of symptoms, symptom profile, symptom duration, and possible sources.

Calculates the likelihood of GERD being present given responses to 6 symptom-related questions.

Mortality calculator for patients with peritonitis.

This calculator provides the MELD score utilizing sodium released in November 2015. The score is used in liver allocation in the Organ Procurement and Transplantation Network (OPTN).

This calculator provides the MELD score and mortality estimate for patients with cirrhosis. The score is used in liver allocation in the Organ Procurement and Transplantation Network (OPTN).

recommendations for evaluation of patient with suspected Nonalcoholic Fatty Liver Disease

Mortality and rebleeding rate calculator for gastrointestinal bleeding.

This calculator is intended to help diagnose Irritable Bowel Syndrome (IBS), a functional gastrointestinal disorder.