Specific code 2014 ICD-9-CM Diagnosis Code 536.0
Achlorhydria
  • Billable Code
  • ICD-9-CM 536.0 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 536.0 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Achlorhydria (low or absent gastric acid)
Clinical Information
  • (a-klor-hy-dree-a) a lack of hydrochloric acid in the digestive juices in the stomach. Hydrochloric acid helps digest food.
  • Absence of hydrochloric acid in the gastric juice.
  • Lack of hydrochloric acid in gastric juice despite stimulation of gastric secretion.
Convert to ICD-10-CM: 536.0 converts directly to:
  • 2014 ICD-10-CM K31.83 Achlorhydria
ICD-9-CM Volume 2 Index entries containing back-references to 536.0:
  • Achlorhydria, achlorhydric 536.0
    • diarrhea 536.0
    • neurogenic 536.0
    • secondary to vagotomy 564.2
  • Adenasthenia gastrica 536.0
  • Anacidity, gastric 536.0
  • Apepsia 536.8
    • achlorhydric 536.0
  • Diarrhea, diarrheal (acute) (autumn) (bilious) (bloody) (catarrhal) (choleraic) (chronic) (gravis) (green) (infantile) (lienteric) (noninfectious) (presumed noninfectious) (putrefactive) (secondary) (sporadic) (summer) (symptomatic) (thermic) 787.91
    • achlorhydric 536.0
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 536.0 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.