The DDS inputs data on the National Disability Determination Services System (NDDSS).
                  FOs obtain and review this disability information on the NDDSS by obtaining a DDSQ.
                  Use this query to respond to routine inquiries from claimants and to check the progress
                  of DDS case processing.
               
               Request theDDSQ by completing the UNIT, RS, and AN, fields on the DDSQ mask. The table
                  below contains a quick explanation guide to the most frequently used fields in the
                  query.
               
               
                  
                     
                        
                        
                     
                     
                        
                        
                           
                           | DDSQ FIELD | EXPLANATION | 
                     
                     
                        
                        
                           
                           | SRD | DDS Receipt Date | 
                        
                           
                           | LUN | DDS Unit | 
                        
                           
                           | LEX | DDS Examiner | 
                        
                           
                           | MDF | Medical Deferment Date | 
                        
                           
                           | SO | N = No System Override – All Data Transmitted to SSA Systems C = Case Movement Only – Decisional Data Suppressed D = Decisional Data Only – Case Control Data Suppressed Y = System Override – Suppresses Transmission of All Data to SSA Systems | 
                        
                           
                           | SCD | State Agency Closure Date | 
                        
                           
                           | DST | Clearance Destination (See NOTE below)
                               | 
                        
                           
                           | DEC | Decision Code | 
                     
                  
                
               NOTE: If the DST shows a location beginning with “R”, the case has been selected for Office
                  of Quality Performance quality review and is still pending.
               
               CAUTION:The DDSQ provides information about Title II and Title XVI claims, and it may also
                  provide information concerning a Medicaid or a Medical Assistance (MA) claim. Since
                  a Title XVI DDSQ looks nearly identical to a Medicaid (or MA) query, note the following
                  differences to ensure you provide accurate information to a claimant questioning the
                  status of his or her claim. For Medicaid (MA) queries the:
               
               
                  - 
                     
                        1.  
                           Beneficiary Identification Code (BIC) field contains an “AR”, which indicates an assistance
                              request.
                            
 
 
- 
                     
                        2.  
                           Study List Code (SLC) contains an “N”, which indicates the claim is a non-federal
                              claim.
                            
 
 
- 
                     
                        3.  
                           District Office Code (DO) field contains a DDS code rather than a DO code. 
 
 
- 
                     
                        4.  
                           Destination Code (DST) contains letters designating a county destination rather than
                              a DO code.
                            
 
 
References:
               
                  - 
                     
                        • 
                           SM 06002.100, How to Complete the NDDSS Master File Menu (DDSM) 
 
 
- 
                     
                        • 
                           SM 06002.200, Parts of a Full Query Response 
 
 
- 
                     
                        • 
                           MSOM DDS 001.006, NDDSS Master File Menu (DDSM)