List of medical abbreviations: F. From Wikipedia, the free Medical abbreviations · ← previous page of list (E) full ward diet; forward. Fx, Function; Fracture Dx - Diagnosis Sx - Symptoms Fx - Fracture Tx - Treatment Hx - History. Sortable table. Abbreviation, Meaning. Δ · diagnosis; change. ΔΔ, differential diagnosis Medical FX acronym meaning defined here. What does FX stand for in Medical? Top FX acronym definition related to defence: Fracture.