ICD-10 Code F55.0 – Abuse of Antacids (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code F55.0 – Abuse of antacids
What it is
F55.0 identifies harmful or excessive use of antacids that is not due to a poisoning event. Use it when the record shows antacid abuse, overuse, or dependence-like behavior documented by the clinician.
Clinical signs
Clinical features vary; refer to documentation. Common clues include repeated antacid use beyond recommended amounts, self-treatment despite ongoing symptoms, or evidence of misuse noted in the chart.
When to use this code
Use F55.0 when the provider specifically documents abuse of antacids, especially when the behavior is the reason for the encounter or a significant problem in the record. Code it when the issue is chronic overuse rather than an acute overdose. Check documentation if the note only mentions routine antacid use.
Do not use for
Do not use this code for accidental poisoning, adverse effects, or normal short-term antacid treatment. If the record does not clearly state abuse, check documentation before assigning F55.0.
Coding tip
Look for the exact term “abuse” or an equivalent provider statement before coding F55.0.