| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Entire skin of foot | Is a | True | Skin structure of foot | Inferred relationship | Existential restriction modifier |  | 
| Skin of part of foot | Is a | True | Skin structure of foot | Inferred relationship | Existential restriction modifier |  | 
| Skin structure of foot, including toe | Is a | False | Skin structure of foot | Inferred relationship | Existential restriction modifier |  | 
| Neuropathic ulcer of foot due to diabetes mellitus | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 8 | 
| Mandibuloacral dysostosis | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Ulcer of big toe | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 8 | 
| Intractable plantar keratoma | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Juvenile plantar dermatosis | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier |  | 
| Neuroischemic foot ulcer | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 8 | 
| Skin ulcer of dorsum of foot | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 8 | 
| Ulcer of toe | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 8 | 
| Ulcer of heel | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 8 | 
| Removal of dressing of skin of feet | Procedure site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier |  | 
| Neoplasm of skin of foot | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Biopsy of skin of forefoot | Procedure site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Biopsy of skin of hindfoot | Procedure site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 2 | 
| Perforating ulcer of the foot | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 8 | 
| Benign neoplasm of skin of foot | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of skin of foot | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant melanoma of skin of foot | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Primary malignant neoplasm of skin of foot | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Metastatic malignant neoplasm to skin of foot | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Neoplasm of uncertain behavior of skin of foot | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Ulcer of foot | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 8 | 
| Mixed diabetic ulcer - foot | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 2 | 
| Podopompholyx | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Abrasion of foot | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Neuropathic foot blister | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Insect bite, nonvenomous, of toe | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 2 | 
| Apical callus | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Foot callus | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Acute cheiropodopompholyx | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Apron pattern of vesicular eczema of hands | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 2 | 
| Constitutional eczema of foot | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Acute podopompholyx | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 3 | 
| Chronic podopompholyx | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Hyperkeratotic eczema of soles | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 3 | 
| Sweaty feet | Finding site | True | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Hand foot and mouth disease | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier |  | 
| Insect bite, nonvenomous, of foot | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Traumatic blister of foot | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Traumatic blister of toe | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Scratch of foot | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Traumatic blister of dorsum of foot | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Wood splinter in foot | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 2 | 
| Cut of foot | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Pin prick sensation of right foot abnormal | Finding site | True | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Pin prick sensation of left foot abnormal | Finding site | True | Skin structure of foot | Inferred relationship | Existential restriction modifier | 2 | 
| Pin prick sensation of right foot normal | Finding site | True | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Pin prick sensation of left foot normal | Finding site | True | Skin structure of foot | Inferred relationship | Existential restriction modifier | 2 | 
| Paresthesia of foot | Finding site | True | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Eczema of foot | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Numbness of foot | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier |  | 
| Tactile discrimination right foot abnormal | Finding site | True | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Tactile discrimination left foot abnormal | Finding site | True | Skin structure of foot | Inferred relationship | Existential restriction modifier | 2 | 
| Tactile discrimination right foot normal | Finding site | True | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Tactile discrimination left foot normal | Finding site | True | Skin structure of foot | Inferred relationship | Existential restriction modifier | 2 | 
| Dyshidrosis | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 2 | 
| Tinea pedis caused by Trichophyton | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier |  | 
| Nonvenomous insect bite of foot without infection | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Furuncle of heel | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Epidermal burn of foot | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Tinea pedis caused by Epidermophyton | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier |  | 
| Furuncle of foot | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Painful piezogenic pedal papules | Finding site | True | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Tinea pedis | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier |  | 
| Partial thickness burn of foot | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Contusion of foot | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 2 | 
| Tinea pedis caused by Epidermophyton floccosum | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier |  | 
| Nonvenomous insect bite of toe without infection | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 3 | 
| Foot-and-mouth disease | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier |  | 
| Madura foot - actinomycotic | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier |  | 
| Actinomycotic mycetoma | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier |  | 
| Superficial injury of foot and toe(s) | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Abrasion of foot, infected | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Insect bite, nonvenomous, of foot and toe, without mention of infection | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Splinter of foot, without major open wound | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Splinter of foot, without major open wound, infected | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Superficial partial thickness burn of foot | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Deep partial thickness burn of foot | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Abrasion or friction burn of foot and toe, without mention of infection | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Abrasion and/or friction burn of foot and/or toe, infected | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Traumatic blister of foot and toe, without mention of infection | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Traumatic blister of foot and toe, infected | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Insect bite, nonvenomous, of foot and toe, infected | Finding site | True | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Splinter of foot and toe, without major open wound or mention of infection | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 2 | 
| Splinter of foot and toe, without major wound, infected | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Traumatic blister of foot, infected | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Traumatic blister of toe, infected | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Dermatophytosis of foot | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier |  | 
| Traumatic blister of heel, infected | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Splinter in foot | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 2 | 
| Boil of foot unspecified | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Boil of foot NOS | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Dyshidrosis unspecified | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 2 | 
| Pompholyx unspecified | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 2 | 
| Dyshidrosis NOS | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 2 | 
| Abrasion of foot and toe, without mention of infection, NOS | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Abrasion or friction burn of foot and toe, infected, NOS | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Insect bite, nonvenomous, of foot and toe, without mention of infection, NOS | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 1 | 
| Insect bite, nonvenomous, of foot and toe, infected, NOS | Finding site | False | Skin structure of foot | Inferred relationship | Existential restriction modifier | 2 |