ICD-9-CM Diagnosis Code E943.0
Diagnosis Code: E943.0 (Raw: E9430)
Description: Antacids and antigastric secretion drugs causing adverse effects in therapeutic use
Classification: International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM)
Fiscal Year: 2026 Reference
CMS Section 111 Status: Valid for reporting.
Overview & Historical Usage
ICD-9-CM code E943.0 is designated for Antacids and antigastric secretion drugs causing adverse effects in therapeutic use. While superseded by ICD-10 for current healthcare encounters, it remains a recognized reference code for CMS Section 111 reporting, legacy claims adjudication, and historical clinical data analysis.
