| SOC Name | Name of the system organ class. | 
| SOC Code | The code associated with this system organ class. | 
| HLGT Name | Name of the high level group term. | 
| HLGT Code | The code associated with this high level group term. | 
| HLT Name | Name of the high level term. | 
| HLT Code | The code associated with this high level term. | 
| PT Name | Name of the preferred term. | 
| PT Code | The code associated with this preferred term. | 
| LLT Name | Name of the low level term. | 
| LLT Code | The code associated with this low level term. | 
| LLT Current | Indicates whether the low level term is current. If this columns shows N (for No), then the current version of the dictionary changed the terms defined by a prior version. You can run an impact analysis report to determine if the change affects any of your products. | 
| Primary SOC | Indicates whether this the primary SOC for the preferred term. | 
| MedDRA Version | Specifies the version of the MedDRA dictionary. |