ICD-10 Code A06.2 – Amebic nondysenteric colitis (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code A06.2 – Amebic nondysenteric colitis
What it is
A06.2 identifies amebic colitis caused by Entamoeba histolytica without dysentery. Use it when the record describes intestinal amebiasis with colonic involvement but no bloody diarrhea.
Clinical signs
Clinical features vary; refer to documentation. Typical findings may include abdominal pain, diarrhea, and other nonspecific gastrointestinal symptoms without dysenteric stools.
When to use this code
Use A06.2 when the provider documents amebic colitis, nondysenteric amebiasis, or intestinal amebic infection affecting the colon without dysentery. It is appropriate when the diagnosis is confirmed or clearly stated in the chart. Check documentation if the note only says “amebiasis” or does not specify the site.
Do not use for
Do not use this code for dysenteric amebic infection, extraintestinal amebiasis, or nonspecific infectious diarrhea. If the documentation does not identify colitis, check documentation.
Coding tip
Code the documented form of amebiasis precisely and verify whether dysentery or another site is mentioned before assigning A06.2.