| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Skin structure of digit of hand | Is a | True | Skin structure of digit | Inferred relationship | Existential restriction modifier |  | 
| Skin of part of digit | Is a | True | Skin structure of digit | Inferred relationship | Existential restriction modifier |  | 
| Skin structure of toe | Is a | True | Skin structure of digit | Inferred relationship | Existential restriction modifier |  | 
| Thyroid acropachy | Finding site | False | Skin structure of digit | Inferred relationship | Existential restriction modifier |  | 
| Acquired digital fibrokeratoma | Finding site | False | Skin structure of digit | Inferred relationship | Existential restriction modifier | 1 | 
| Mutilating lichen planus of fingers and toes | Finding site | False | Skin structure of digit | Inferred relationship | Existential restriction modifier | 1 | 
| Infantile digital fibroma | Finding site | False | Skin structure of digit | Inferred relationship | Existential restriction modifier | 1 | 
| Calcinosis, Raynaud's phenomenon, esophageal dysmotility, sclerodactyly, and telangiectasia syndrome | Finding site | False | Skin structure of digit | Inferred relationship | Existential restriction modifier | 1 | 
| Acrosclerosis | Finding site | False | Skin structure of digit | Inferred relationship | Existential restriction modifier |  | 
| Calcinosis, Raynaud's phenomenon, sclerodactyly, and telangiectasia syndrome | Finding site | False | Skin structure of digit | Inferred relationship | Existential restriction modifier | 1 | 
| Cellulitis and abscess of finger and toe | Finding site | False | Skin structure of digit | Inferred relationship | Existential restriction modifier |  | 
| Cellulitis and abscess of digit NOS | Finding site | False | Skin structure of digit | Inferred relationship | Existential restriction modifier |  | 
| Toxic diffuse goiter with acropachy | Finding site | False | Skin structure of digit | Inferred relationship | Existential restriction modifier |  | 
| Graves' disease with acropachy AND with thyrotoxic crisis | Finding site | False | Skin structure of digit | Inferred relationship | Existential restriction modifier |  | 
| Acquired digital fibrokeratoma | Finding site | False | Skin structure of digit | Inferred relationship | Existential restriction modifier | 2 | 
| Abscess of skin with lymphangitis of digit | Finding site | True | Skin structure of digit | Inferred relationship | Existential restriction modifier | 1 | 
| Acromelanosis | Finding site | True | Skin structure of digit | Inferred relationship | Existential restriction modifier | 1 | 
| Skin structure of finger | Is a | False | Skin structure of digit | Inferred relationship | Existential restriction modifier |  | 
| Skin structure of thumb | Is a | False | Skin structure of digit | Inferred relationship | Existential restriction modifier |  | 
| Acquired digital fibrokeratoma | Finding site | True | Skin structure of digit | Inferred relationship | Existential restriction modifier | 1 | 
| Mutilating lichen planus of fingers and toes | Finding site | True | Skin structure of digit | Inferred relationship | Existential restriction modifier | 1 | 
| Calcinosis, Raynaud's phenomenon, esophageal dysmotility, sclerodactyly, and telangiectasia syndrome | Finding site | True | Skin structure of digit | Inferred relationship | Existential restriction modifier | 1 | 
| Calcinosis, Raynaud's phenomenon, sclerodactyly, and telangiectasia syndrome | Finding site | True | Skin structure of digit | Inferred relationship | Existential restriction modifier | 1 | 
| Entire skin of digit | Is a | True | Skin structure of digit | Inferred relationship | Existential restriction modifier |  | 
| Fibro-osseous pseudotumor of skin of digit | Finding site | False | Skin structure of digit | Inferred relationship | Existential restriction modifier | 3 | 
| Fibro-osseous pseudotumor of skin of digit | Finding site | False | Skin structure of digit | Inferred relationship | Existential restriction modifier | 2 | 
| Recurrent herpetic whitlow | Finding site | True | Skin structure of digit | Inferred relationship | Existential restriction modifier | 1 | 
| Herpetic whitlow | Finding site | True | Skin structure of digit | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of syndactyly with skin graft | Procedure site - Direct | True | Skin structure of digit | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of syndactyly with skin flap and graft | Procedure site - Direct | True | Skin structure of digit | Inferred relationship | Existential restriction modifier | 2 | 
| Fibro-osseous pseudotumor of skin of digit | Finding site | True | Skin structure of digit | Inferred relationship | Existential restriction modifier | 1 | 
| Ainhum | Finding site | True | Skin structure of digit | Inferred relationship | Existential restriction modifier | 1 | 
| Ainhum | Finding site | True | Skin structure of digit | Inferred relationship | Existential restriction modifier | 2 | 
| Pseudo-ainhum | Finding site | True | Skin structure of digit | Inferred relationship | Existential restriction modifier | 1 | 
| Infantile digital fibromatosis | Finding site | True | Skin structure of digit | Inferred relationship | Existential restriction modifier | 2 |