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530 Diseases of esophagus

          Excludes: esophageal varices (456.0, 456.1)

530.0 Achalasia and cardiospasm

          Achalasia (of cardia)
          Excludes: congenital cardiospasm (750.7)

530.1 Esophagitis

          Abscess of esophagus
          Esophagitis:
           NOS
           chemical
           peptic
           postoperative
           reflux
          Esophageal reflux
          Use additional E code, if desired, to identify cause, if induced by chemical

530.2 Ulcer of esophagus

          Ulcer of esophagus
           fungal
           peptic
          Ulcer of esophagus due to ingestion of:
           aspirin
           chemicals
           medicines
          Use additional E code, if desired, to identify cause, if induced by chemical
          or drug

530.3 Stricture and stenosis of esophagus

          Compression of esophagus Obstruction of esophagus
          Excludes: congenital stricture of esophagus (750.3)

530.4 Perforation of esophagus

          Rupture of esophagus
          Excludes: traumatic perforation of esophagus (862.-, 874.4)

530.5 Dyskinesia of esophagus

          Corkscrew esophagus
          Diffuse esophageal spasm
          Spasm of esophagus
          Excludes: cardiospasm (530.0)

530.6 Diverticulum of esophagus, acquired

          Esophageal pouch, acquired
          Excludes: congenital diverticulum of esophagus (750.4)

530.7 Gastroesophageal laceration-hemorrhage syndrome

          Mallory-Weiss syndrome

530.8 Other disorders of esophagus

          Hemorrhage of esophagus

530.9 Unspecified

          The following fourth-digit subdivisions are for use with categories 531-534:
           .0 acute with hemorrhage
           .1 acute with perforation
           .2 acute with hemorrhage and perforation
           .3 acute without mention of hemorrhage or perforation
           .4 chronic or unspecified with hemorrhage
           .5 chronic or unspecified with perforation
           .6 chronic or unspecified with hemorrhage and perforation
           .7 chronic or unspecified without mention of hemorrhage or perforation
           .9 unspecified as acute or chronic, without mention of hemorrhage or
           perforation
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