| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Traumatic blister of upper arm, infected | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Superficial injury of upper arm NOS | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Unspecified thickness burn of upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Skin of surface of upper arm | Is a | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Lipoma of upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Skin structure of anterolateral region of upper arm | Is a | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Skin structure of posterolateral region of upper arm | Is a | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Skin of posteromedial surface of arm | Is a | True | Skin of part of upper arm | Inferred relationship | Some |  | 
| Skin structure of anterior surface of upper arm | Is a | True | Skin of part of upper arm | Inferred relationship | Some |  | 
| Skin structure of lateral surface of upper arm | Is a | True | Skin of part of upper arm | Inferred relationship | Some |  | 
| Skin structure of posterior surface of upper arm | Is a | True | Skin of part of upper arm | Inferred relationship | Some |  | 
| Skin structure of medial surface of upper arm | Is a | True | Skin of part of upper arm | Inferred relationship | Some |  | 
| Multiple open wounds of upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Degloving injury, upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Abrasion, upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some | 1 | 
| Insect bite, nonvenomous, of upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some | 2 | 
| Deep third degree burn of upper arm with loss of body part | Finding site | False | Skin of part of upper arm | Inferred relationship | Some | 2 | 
| Traumatic blister of upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Skin of arm | Is a | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Superficial injury of upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Scratch of upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Metal foreign body in upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some | 1 | 
| Fishing hook in upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some | 1 | 
| Glass in upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some | 1 | 
| Wood splinter in upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some | 1 | 
| Laceration of upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some | 1 | 
| Cut of upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Skin over biceps | Is a | True | Skin of part of upper arm | Inferred relationship | Some |  | 
| Skin over triceps | Is a | True | Skin of part of upper arm | Inferred relationship | Some |  | 
| Stab wound of upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Puncture wound of upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Pellet wound of upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Needle stick injury of upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Nail wound of upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Human bite of upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Dog bite of upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Animal bite of upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Foreign body in skin of upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some | 2 | 
| Upper arm hair score | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Open wound of upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Partial thickness burn of multiple sites of upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Burn of upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Open wound of upper arm with complication | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Carbuncle of upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Open wound of upper arm without complication | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Superficial injury of upper arm with infection | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Deep third degree burn of upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some | 2 | 
| Blister of upper arm without infection | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Superficial foreign body of upper arm without major open wound but with infection | Finding site | False | Skin of part of upper arm | Inferred relationship | Some | 2 | 
| Partial thickness burn of upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Superficial injury of upper arm without infection | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Nonvenomous insect bite of upper arm without infection | Finding site | False | Skin of part of upper arm | Inferred relationship | Some | 2 | 
| Epidermal burn of upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some | 1 | 
| Superficial foreign body of upper arm without major open wound AND without infection | Finding site | False | Skin of part of upper arm | Inferred relationship | Some | 2 | 
| Full thickness burn of upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some | 2 | 
| Furuncle of upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Open wound of upper arm with tendon involvement | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Malignant melanoma of upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Malignant neoplasm of skin of upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Benign neoplasm of skin of upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Carcinoma in situ of skin of upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Cellulitis and abscess of upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Multiple open wounds of upper arm with complication | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Multiple open wounds of upper arm with tendon involvement | Finding site | False | Skin of part of upper arm | Inferred relationship | Some |  | 
| Abrasion of upper arm, infected | Finding site | False | Skin of part of upper arm | Inferred relationship | Some | 1 | 
| Splinter of upper arm, without major open wound | Finding site | False | Skin of part of upper arm | Inferred relationship | Some | 1 | 
| Splinter of upper arm, without major open wound, infected | Finding site | False | Skin of part of upper arm | Inferred relationship | Some | 1 | 
| Superficial partial thickness burn of upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some | 1 | 
| Deep partial thickness burn of upper arm | Finding site | False | Skin of part of upper arm | Inferred relationship | Some | 1 | 
| Deep full thickness burn of the upper arm without loss of body part | Finding site | False | Skin of part of upper arm | Inferred relationship | Some | 1 | 
| Deep full thickness burn of the upper arm without loss of body part | Finding site | False | Skin of part of upper arm | Inferred relationship | Some | 2 | 
| Deep full thickness burn of the upper arm, with loss of body part | Finding site | False | Skin of part of upper arm | Inferred relationship | Some | 2 | 
| Deep full thickness burn of the upper arm, with loss of body part | Finding site | False | Skin of part of upper arm | Inferred relationship | Some | 1 |