ICD-10 Code A06 – Amebiasis (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code A06 – Amebiasis
What it is
A06 identifies amebiasis, an infection caused by Entamoeba histolytica. It may involve the intestine or spread beyond it, most often to the liver.
Clinical signs
Clinical features vary; refer to documentation. Commonly reported findings include abdominal pain, diarrhea, and dysentery, with possible extraintestinal disease such as liver abscess.
When to use this code
Use A06 when the record documents amebiasis or Entamoeba histolytica infection without a more specific site or complication code. It may apply to intestinal disease, amebic colitis, or disseminated infection when the provider confirms the diagnosis.
Review the note for the exact anatomic site and any associated abscess or complication. If the documentation is unclear, check documentation before assigning the code.
Do not use for
Do not use A06 for nonspecific infectious diarrhea, bacterial dysentery, or other parasitic infections. If the provider documents a different organism or condition, code that diagnosis instead.
Coding tip
Match the code to the provider’s stated organism and site; amebiasis may need a more specific subcode than A06 if documentation supports it.