The Entamoeba histolytica (Amebiasis) Antibody, IgG test detects the presence of IgG antibodies against *Entamoeba histolytica*, the parasite responsible for amebiasis. A positive result suggests past or current infection with *E. histolytica*, which can cause symptoms ranging from mild diarrhea to severe dysentery and liver abscesses. This test helps in diagnosing amebiasis, particularly in individuals with a history of gastrointestinal symptoms, and can distinguish between active and past infections.