Accessory nail of the fifth toe
Accessory tragus (ear tag, preauricular appendage, preauricular tag)
Amniotic band syndrome (ADAM complex, amniotic band sequence, congenital constriction bands, pseudoainhum)
Aplasia cutis congenita (cutis aplasia, congenital absence of skin, congenital scars)
Arteriovenous fistula
Benign neonatal hemangiomatosis
Branchial cyst (branchial cleft cyst)
Bronchogenic cyst
Capillary hemangioma (infantile hemangioma, nevus maternus, strawberry hemangioma, strawberry nevus)
Cavernous venous malformation
Congenital cartilaginous rest of the neck (cervical accessory tragus, wattle)
Congenital erosive and vesicular dermatosis
Congenital hypertrophy of the lateral fold of the hallux
Congenital lip pit (congenital sinus of the lower lip, lip sinus, midline sinus of the upper lip)
Congenital malformations of the dermatoglyphs
Congenital smooth muscle hamartoma
Cystic lymphatic malformation
Dermoid cyst
Diffuse neonatal hemangiomatosis
Encephalocele
Focal facial dermal dysplasia
Hutchinsons teeth
Hyperkeratotic cutaneous capillary-venous malformation
Intrauterine epidermal necrosis
Limb–mammary syndrome
Lowry–MacLean syndrome
Macrocheilia
Macrocystic lymphatic malformation
Malignant pilomatricoma (pilomatrical carcinoma, pilomatrix carcinoma)
Maternal autoimmune bullous disease
Median raphe cyst
Melanotic neuroectodermal tumor of infancy
Membranous aplasia cutis
Microcystic lymphatic malformation
Midline cervical cleft
Mongolian spot (congenital dermal melanocytosis, dermal melanocytosis) 
Mulberry molar
Nager acrofacial dysostosis
Nasal glioma (brain-like heterotopia, cephalic brain-like heterotopia, glial hamartoma, heterotopic neuroglial tissue, nasal cerebral heterotopia, nasal heterotopic brain tissue)
Nasolacrimal duct cyst
Nevus psiloliparus
Non-involuting congenital hemangioma
Omphalomesenteric duct cyst (omphalomesenteric duct remnant, vitelline cyst)
PELVIS syndrome
Pilomatricoma (calcifying epithelioma of Malherbe, Malherbe calcifying epithelioma, pilomatrixoma)
Poland anomaly
Posterior fossa malformations–hemangiomas–arterial anomalies–cardiac defects–eye abnormalities–sternal cleft and supraumbilical raphe syndrome (PHACE association, PHACES syndrome)
Preauricular sinus and cyst (ear pit, congenital auricular fistula, congenital preauricular fistula, preauricular cyst)
Rapidly involuting congenital hemangioma (congenital nonprogressive hemangioma)
Rosenthal–Kloepfer syndrome
Rudimentary supernumerary digit (rudimentary polydactyly)
SACRAL syndrome
Sinus pericranii
Skin dimple (skin fossa)
Superficial lymphatic malformation (lymphangioma circumscriptum)
Supernumerary nipple (accessory nipple, pseudomamma)
Thyroglossal duct cyst
Verrucous vascular malformation (angiokeratoma circumscriptum naeviforme)

Connective tissue diseases
Connective tissue diseases are caused by a complex array of autoimmune responses that target or affect collagen or ground substance.
Acrodynia (calomel disease, erythredemic polyneuropathy, pink disease)
Acute generalized exanthematous pustulosis (pustular drug eruption, toxic pustuloderma) 
Adverse reaction to biologic agents
Adverse reaction to cytokines
Allopurinol hypersensitivity syndrome
Anticoagulant-induced skin necrosis
Anticonvulsant hypersensitivity syndrome
Bromoderma
Bullous drug reaction (bullous drug eruption, generalized bullous fixed drug eruption, multilocular bullous fixed drug eruption)
Chemotherapy-induced acral erythema (palmoplantar erythrodysesthesia syndrome)
Chemotherapy-induced hyperpigmentation
Drug-induced acne
Drug-induced angioedema
Drug-related gingival hyperplasia
Drug-induced lichenoid reaction (drug-induced lichen planus, lichenoid drug eruption)
Drug-induced lupus erythematosus
Drug-induced nail changes
Drug-induced pigmentation
Drug-induced pseudolymphoma
Drug-induced urticaria
Erythema multiforme major (erythema multiforme minor–erythema multiforme von Hebra)
Exudative hyponychial dermatitis
Fixed drug reaction
Halogenoderma
Heparin necrosis
HIV disease-related drug reaction
Hydroxyurea dermopathy
Injection site reaction
Iododerma
Leukotriene receptor antagonist-associated Churg–Strauss syndrome
Linear IgA bullous dermatosis (linear IgA dermatosis)
Photosensitive drug reaction
Red man syndrome
Severe cutaneous adverse reactions (includes DRESS syndrome, Steven Johnson syndrome, Toxic epidermal necrolysis, Stevens-Johnson/toxic epidermal necrolysis overlap syndrome, and Acute generalized exanthematous pustulosis)
Scleroderma-like reaction to taxanes
Serum sickness-like reaction
Steroid acne
Steroid folliculitis
Stevens–Johnson syndrome
Sulfonamide hypersensitivity syndrome
Texiers disease
Toxic epidermal necrolysis (Lyells syndrome)
Urticarial erythema multiforme
Vitamin K reaction
Warfarin necrosis

Endocrine-related
Endocrine conditions often present with cutaneous findings as the skin interacts with the endocrine system in many ways.