Acalculous Cholecystitis, also known as acute cholecystitis without calculus, is related to cholecystitis and cholestasis. An important gene associated with Acalculous Cholecystitis is CCK (Cholecystokinin), and among its related pathways/superpathways is L-alanine biosynthesis II. The drugs Sulbactam and Sultamicillin have been mentioned in the context of this disorder. Affiliated tissues include liver and spinal cord.