| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Intradermal skin test | Direct device | False | Hypodermic needle, device | Inferred relationship | Some |  | 
| Injection of Kveim antigen into skin | Direct device | False | Hypodermic needle, device | Inferred relationship | Some |  | 
| Needle aspiration for drainage of thyroglossal tract | Direct device | False | Hypodermic needle, device | Inferred relationship | Some |  | 
| Prick test | Direct device | False | Hypodermic needle, device | Inferred relationship | Some |  | 
| Injection of Kveim antigen into skin | Using | False | Hypodermic needle, device | Inferred relationship | Some | 2 | 
| Intradermal skin test | Using | False | Hypodermic needle, device | Inferred relationship | Some | 1 | 
| Needle aspiration for drainage of thyroglossal tract | Using | False | Hypodermic needle, device | Inferred relationship | Some |  | 
| Prick test | Using | False | Hypodermic needle, device | Inferred relationship | Some | 1 | 
| Injection of Kveim antigen into skin | Using device | False | Hypodermic needle, device | Inferred relationship | Some | 2 | 
| Intradermal skin test | Using device | False | Hypodermic needle, device | Inferred relationship | Some | 1 | 
| Prick test | Using device | False | Hypodermic needle, device | Inferred relationship | Some | 1 | 
| Prick test | Using device | True | Hypodermic needle, device | Inferred relationship | Some | 1 | 
| Hypodermic needle, single-use, sterile | Is a | False | Hypodermic needle, device | Inferred relationship | Some |  | 
| Hypodermic needle, single-use, non-sterile | Is a | False | Hypodermic needle, device | Inferred relationship | Some |  | 
| Hypodermic needle, reprocessed | Is a | False | Hypodermic needle, device | Inferred relationship | Some |  | 
| Injection of Kveim antigen into skin | Using | False | Hypodermic needle, device | Inferred relationship | Some |  | 
| Intradermal skin test | Using | False | Hypodermic needle, device | Inferred relationship | Some |  | 
| Needle aspiration for drainage of thyroglossal tract | Using | False | Hypodermic needle, device | Inferred relationship | Some |  | 
| Prick test | Using | False | Hypodermic needle, device | Inferred relationship | Some |  |