CPT® Code 82926

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The CPT® Code 82926 refers to the analysis of gastric acid, specifically measuring both free and total acid levels from each specimen collected. This procedure involves obtaining a sample of gastric acid from the stomach, which is then subjected to laboratory analysis to determine its chemical composition. The analysis is crucial for understanding the acid production in the stomach, which can be indicative of various gastrointestinal conditions. The distinction between free and total acid is important; free acid refers to the hydrochloric acid that is not bound to other substances, while total acid includes both free acid and any acid that is bound to other compounds. This test is essential for diagnosing conditions related to abnormal gastric acid secretion, such as peptic ulcers or gastroesophageal reflux disease (GERD). If only free or total acid is tested, the appropriate code to use would be CPT® Code 82928.