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  2. List of ICD-9 codes 520–579: diseases of the digestive system

    en.wikipedia.org/wiki/List_of_ICD-9_codes_520...

    ICD-9 chapters; Chapter Block Title I 001–139: Infectious and Parasitic Diseases II 140–239: Neoplasms III 240–279: Endocrine, Nutritional and Metabolic Diseases, and Immunity Disorders IV 280–289: Diseases of the Blood and Blood-forming Organs V 290–319: Mental Disorders VI 320–389: Diseases of the Nervous System and Sense Organs ...

  3. Gastroesophageal reflux disease - Wikipedia

    en.wikipedia.org/wiki/Gastroesophageal_reflux...

    In Western populations, GERD affects approximately 10% to 20% of the population and 0.4% newly develop the condition. [9] For instance, an estimated 3.4 million to 6.8 million Canadians have GERD. The prevalence rate of GERD in developed nations is also tightly linked with age, with adults aged 60 to 70 being the most commonly affected. [ 81 ]

  4. Indigestion - Wikipedia

    en.wikipedia.org/wiki/Indigestion

    Indigestion is relatively common, affecting 20% of people at some point during their life, and is frequently caused by gastroesophageal reflux disease (GERD) or gastritis. [ 1 ] [ 5 ] Indigestion is subcategorized as either "organic" or " functional dyspepsia ", but making the diagnosis can prove challenging for physicians. [ 6 ]

  5. Biliary reflux - Wikipedia

    en.wikipedia.org/wiki/Biliary_reflux

    Biliary reflux can be confused with acid reflux, also known as gastroesophageal reflux disease (GERD). While bile reflux involves fluid from the small intestine flowing into the stomach and esophagus, acid reflux is the backflow of stomach acid into the esophagus. These conditions are often related, and differentiating between the two can be ...

  6. Heartburn - Wikipedia

    en.wikipedia.org/wiki/Heartburn

    It is the major symptom of gastroesophageal reflux disease (GERD). [6] Other common descriptors for heartburn (besides burning) are belching, nausea, squeezing, stabbing, or a sensation of pressure on the chest. The pain often rises in the chest (directly behind the breastbone) and may radiate to the neck, throat, or angle of the arm.

  7. Reactive gastropathy - Wikipedia

    en.wikipedia.org/wiki/Reactive_gastropathy

    Reactive gastropathy is morphologically distinct entity [3] [4] that can be separated from gastritis, which by definition has a significant inflammatory component. As a reactive gastropathy may mimic a (true) gastritis symptomatically and visually in an endoscopic examination , it may incorrectly be referred to as a gastritis.

  8. Gastritis - Wikipedia

    en.wikipedia.org/wiki/Gastritis

    Gastritis is the inflammation of the lining of the stomach. [1] It may occur as a short episode or may be of a long duration . [ 1 ] There may be no symptoms but, when symptoms are present, the most common is upper abdominal pain (see dyspepsia ). [ 1 ]

  9. Lymphocytic esophagitis - Wikipedia

    en.wikipedia.org/wiki/Lymphocytic_esophagitis

    The condition was first described in 2006 by Rubio and colleagues. Initial reports questioned whether this was a true medical disorder, or whether the inflammation was secondary to another condition, such as gastroesophageal reflux disease. The cause of lymphocytic esophagitis is unknown.