ICD-10 Code A06.6 – Amebic Brain Abscess (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code A06.6 – Amebic brain abscess
What it is
A06.6 identifies an amebic abscess in the brain, usually linked to Entamoeba histolytica infection. Use it when documentation confirms cerebral involvement from amebiasis.
Clinical signs
Clinical features vary; refer to documentation. Reported findings may include focal neurologic deficits, headache, fever, altered mental status, or seizures when the brain is involved.
When to use this code
Use A06.6 when the provider documents an amebic brain abscess or cerebral amebiasis. It applies when the abscess is attributed to amebic infection, not just intestinal disease or nonspecific neurologic symptoms.
If the record only states suspected infection, encephalitis, or brain abscess without an amebic cause, check documentation before assigning this code.
Do not use for
Do not use this code for amebiasis limited to the intestine or liver, or for a brain abscess with no documented amebic origin. Check documentation.
Coding tip
Code the amebic cause only when the provider clearly links the brain abscess to amebiasis.