American Psychiatric Association
                                
                                    Original Publication Date:
                                
                                
                                    April 4, 2012                                
                            
                        
                                                    
                                
                                    Last Updated:
                                
                                
                                    March 27, 2023                                
                            
                        
                            
                                            
                            
                                Estimated Read Time:
                            
                            
                                  < 1 minute                            
                        
                                    The American Psychiatric Association (APA) is a medical specialty society recognized worldwide. Its 40,500 U.S. and international physicians specialize in the diagnosis and treatment of mental and emotional illnesses and substance use disorders.