 | This article needs more reliable medical references for verification or relies too heavily on primary sources. (January 2022) |  |
| Esophageal motility study | |
|---|---|
 Diagram of esophageal motility study in 'nutcracker esophagus'. The disorder shows peristalsis with high pressure esophageal contractions exceeding 180 mmHg and contractile waves with a long duration exceeding 6 seconds. | |
| ICD-9-CM | 89.32 |
| OPS-301 code | 1-313 |
| MedlinePlus | 003884 |
An esophageal motility study (EMS) or esophageal manometry is a test to assess motor function of the upper esophageal sphincter (UES), esophageal body and lower esophageal sphincter (LES).[1]
- ^ McNally, Peter R. (1 January 2010). "Chapter 2 - Gastroesophageal Reflux Disease". GI/Liver Secrets (Fourth ed.). Mosby. pp. 13–19. ISBN 978-0-323-06397-5. Retrieved 8 January 2022.