Mayo Clinic Health Library

Digestive system

  • Bilirubin test

    Bilirubin test — Overview covers definition, results of this test for liver disease.

  • Capsule endoscopy

    Capsule endoscopy — Overview covers definition, risks, results of swallowing a pill camera.

  • Endoscopy

    Endoscopy allows your doctor to view your esophagus, stomach and part of your duodenum.

  • Esophageal manometry

    Esophageal manometry — Overview covers definition, what to expect, results of this esophageal function test.

  • Flexible sigmoidoscopy

    Flexible sigmoidoscopy — Overview covers definition, risks, results of this exam to detect colon disease.

  • HIDA scan

    HIDA scan — Overview covers definition, risks, results of hepatobiliary (HIDA) scan.

  • Liver biopsy

    Liver biopsy — Overview covers definition, risks, preparation, results for this procedure to examine liver tissue.

  • Liver function tests

    Liver function tests — Overview covers definition, results of these tests for liver disease.

  • Prothrombin time test

    Prothrombin time — Comprehensive overview covers results, what to expect from this liver function test.

  • Upper endoscopy

    Upper endoscopy — Overview covers definition, risks, results of GI diagnostic procedure