536.0 ACHLORHYDRIA


Code Information

Diagnosis Code: 536.0

Short Description: Achlorhydria

Long Description: Achlorhydria

Code Classification:

  • Diseases of the digestive system (520–579)
    • Diseases of esophagus, stomach, and duodenum (530-539)
      • 536 Disorders of function of stomach
        • 536.0 Achlorhydria

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 536.0 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Achlorhydria, achlorhydric 536.0
    • anemia 280.9
    • diarrhea 536.0
    • neurogenic 536.0
    • postvagotomy 564.2
    • psychogenic 306.4
    • secondary to vagotomy 564.2
  • Adenasthenia gastrica 536.0
  • Anacidity, gastric 536.0
    • psychogenic 306.4
  • 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

Crosswalk Information

The code 536.0 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
536.0 Right Arrow K31.83 Achlorhydria
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description
536.1 Acute dilatation of stomach
536.2 Persistent vomiting
536.3 Gastroparesis
536.40 Gastrostomy complication, unspecified
536.41 Infection of gastrostomy
536.42 Mechanical complication of gastrostomy
536.49 Other gastrostomy complications
536.8 Dyspepsia and other specified disorders of function of stomach
536.9 Unspecified functional disorder of stomach


This page was last updated on: 10/1/2014