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Health Dictionary

Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.

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Achlorhydria laboratory findings

Introduction

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Overview

Overview

Laboratory Findings

Laboratory Findings

  • Blood Tests: Blood tests such as iron indices, [calcium]], prothrombin time, vitamin B 12, vitamin D, serum folate, and thiamine levels should be checked to exclude deficiencies and anemia.
  • Measurement of basal acid secretion and gastric pH: These are the most important and basic study to prove the presence of the condition of achlorhydria. A pH of greater than 3.5 is commonly used to identify achlorhydria, and more than 50% of them whose initial stomach pH is 4.0 or higher.
  • Gastrin levels: Serum gastrin level in patients with achlorhydria is very high. A serum gastrin levels higher than 500-1000 pg/mL may suggest a diagnosis of achlorhydria.
  • Antiparietal cell antibody testing: Achlorhydria shows a strong association with autoimmune conditions. Many patients with achlorhydria can be detected antiparietal cell antibody.
References

References

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]