Bare lymphocyte syndrome
Chronic granulomatous disease (Bridges–Good syndrome, chronic granulomatous disorder, Quie syndrome)
Common variable immunodeficiency (acquired hypogammaglobulinemia)
Complement deficiency
DiGeorge syndrome (DiGeorge anomaly, thymic hypoplasia)
Graft-versus-host disease
Griscelli syndrome
Hyper-IgE syndrome (Buckley syndrome, Job syndrome)
Immunodeficiency with hyper-IgM
Immunodeficiency–centromeric instability–facial anomalies syndrome (ICF syndrome)
Isolated IgA deficiency
Isolated primary IgM deficiency
Janus kinase 3 deficiency
Leukocyte adhesion molecule deficiency
LIG4 syndrome
Myeloperoxidase deficiency
Neutrophil immunodeficiency syndrome
Nezelof syndrome (thymic dysplasia with normal immunoglobulins)
Omenn syndrome 
Purine nucleoside phosphorylase deficiency
Severe combined immunodeficiency (alymphocytosis, Glanzmann–Riniker syndrome, severe mixed immunodeficiency syndrome, thymic alymphoplasia)
Shwachman–Bodian–Diamond syndrome
Thymoma with immunodeficiency (Good syndrome)
Transient hypogammaglobulinemia of infancy
Warts–hypogammaglobulinemia–infections–myelokathexis syndrome (WHIM syndrome)
Wiskott–Aldrich syndrome
X-linked agammaglobulinemia (Bruton syndrome, sex-linked agammaglobulinemia)
X-linked hyper-IgM syndrome
X-linked hypogammaglobulinemia
X-linked lymphoproliferative disease (Duncans disease)
X-linked neutropenia

Nutrition-related
Nutrition-related cutaneous conditions are caused by malnutrition due to an improper or inadequate diet. Biotin deficiency
Carotenemia
Essential fatty acid deficiency
Folic acid deficiency
Hypervitaminosis A
Hypovitaminosis A (phrynoderma)
Iron deficiency 
Kwashiorkor
Lycopenemia
Maple syrup urine disease
Marasmus
Niacin deficiency (pellagra, vitamin B3 deficiency)
Selenium deficiency
Vitamin B1 deficiency (beriberi, thiamine deficiency)
Vitamin B12 deficiency (cyanocobalamin deficiency)
Vitamin B2 deficiency (ariboflavinosis, riboflavin deficiency)
Vitamin B6 deficiency (pyridoxine deficiency)
Vitamin B6 excess (pyridoxine excess)
Vitamin C deficiency (scurvy)
Vitamin K deficiency
Zinc deficiency

Papulosquamous hyperkeratotic
Papulosquamous hyperkeratotic cutaneous conditions are those that present with papules and scales caused by a thickening of the stratum corneum.
Acrokeratoelastoidosis of Costa (keratoelastoidosis marginalis)
Aquagenic keratoderma (acquired aquagenic palmoplantar keratoderma, aquagenic syringeal acrokeratoderma, aquagenic wrinkling of the palms, transient reactive papulotranslucent acrokeratoderma)
Bart–Pumphrey syndrome (palmoplantar keratoderma with knuckle pads and leukonychia and deafness)
Camisa disease
Carvajal syndrome (striate palmoplantar keratoderma with woolly hair and cardiomyopathy, striate palmoplantar keratoderma with woolly hair and left ventricular dilated cardiomyopathy)
Corneodermatoosseous syndrome (CDO syndrome)
Diffuse epidermolytic palmoplantar keratoderma (palmoplantar keratoderma cum degeneratione granulosa Vörner, Vörners epidermolytic palmoplantar keratoderma, Vörner keratoderma)
Diffuse nonepidermolytic palmoplantar keratoderma (diffuse orthohyperkeratotic keratoderma, hereditary palmoplantar keratoderma, keratosis extremitatum progrediens, keratosis palmoplantaris diffusa circumscripta, tylosis, Unna–Thost disease, Unna–Thost keratoderma)
Erythrokeratodermia variabilis (erythrokeratodermia figurata variabilis, keratosis extremitatum progrediens, keratosis palmoplantaris transgrediens et progrediens, Mendes da Costa syndrome, Mendes da Costa type erythrokeratodermia, progressive symmetric erythrokeratoderma)
Focal acral hyperkeratosis (acrokeratoelastoidosis lichenoides, degenerative collagenous plaques of the hand)
Focal palmoplantar and gingival keratosis
Focal palmoplantar keratoderma with oral mucosal hyperkeratosis (focal epidermolytic palmoplantar keratoderma, hereditary painful callosities, hereditary painful callosity syndrome, keratosis follicularis, keratosis palmoplantaris nummularis, nummular epidermolytic palmoplantar keratoderma)
Haim–Munk syndrome (palmoplantar keratoderma with periodontitis and arachnodactyly and acro-osteolysis)
Hidrotic ectodermal dysplasia (alopecia congenita with keratosis palmoplantaris, Clouston syndrome, Cloustons hidrotic ectodermal dysplasia, Fischer–Jacobsen–Clouston syndrome, keratosis palmaris with drumstick fingers, palmoplantar keratoderma and clubbing)
Howel–Evans syndrome (familial keratoderma with carcinoma of the esophagus, focal non-epidermolytic palmoplantar keratoderma with carcinoma of the esophagus, palmoplantar ectodermal dysplasia type III, palmoplantar keratoderma associated with esophageal cancer, tylosis, tylosis–esophageal carcinoma)
Hystrix-like ichthyosis–deafness syndrome (HID syndrome)
Keratoderma climactericum (acquired plantar keratoderma, climacteric keratoderma, Haxthausens disease)
Keratosis punctata palmaris et plantaris (Buschke–Fischer–Brauer disease, Davis Colley disease, keratoderma disseminatum palmaris et plantaris, keratosis papulosa, keratoderma punctatum, keratodermia punctata, keratoma hereditarium dissipatum palmare et plantare, palmar and plantar seed dermatoses, palmar keratoses, papulotranslucent acrokeratoderma, punctate keratoderma, punctate keratoses of the palms and soles, maculosa disseminata)
Keratitis–ichthyosis–deafness syndrome (erythrokeratodermia progressiva Burns, ichthyosiform erythroderma with corneal involvement and deafness, KID syndrome)
Mal de Meleda (acral keratoderma, Gamborg–Nielsen keratoderma, mutilating palmoplantar keratoderma of the Gamborg–Nielsen type, palmoplantar ectodermal dysplasia type VIII, palmoplantar keratoderma of the Norrbotten type)
Naxos syndrome (diffuse non-epidermolytic palmoplantar keratoderma with woolly hair and cardiomyopathy, diffuse palmoplantar keratoderma with woolly hair and arrythmogenic right ventricular cardiomyopathy of Naxos, Naxos disease)
Olmsted syndrome (mutilating palmoplantar keratoderma with periorificial keratotic plaques, mutilating palmoplantar keratoderma with periorificial plaques, polykeratosis of Touraine)
Pachyonychia congenita type I (Jadassohn–Lewandowsky syndrome)
Pachyonychia congenita type II (Jackson–Lawler pachyonychia congenita, Jackson–Sertoli syndrome)
Palmoplantar keratoderma and spastic paraplegia (Charcot–Marie–Tooth disease with palmoplantar keratoderma and nail dystrophy)
Palmoplantar keratoderma of Sybert (Greither palmoplantar keratoderma, Greither syndrome, keratosis extremitatum hereditaria progrediens, keratosis palmoplantaris transgrediens et progrediens, Sybert keratoderma, transgrediens and progrediens palmoplantar keratoderma)
Papillon–Lefèvre syndrome (palmoplantar keratoderma with periodontitis)
Porokeratosis plantaris discreta
Punctate palmoplantar keratoderma
Schöpf–Schulz–Passarge syndrome (eyelid cysts with palmoplantar keratoderma and hypodontia and hypotrichosis)
Scleroatrophic syndrome of Huriez (Huriez syndrome, palmoplantar keratoderma with scleroatrophy, palmoplantar keratoderma with sclerodactyly, scleroatrophic and keratotic dermatosis of the limbs, sclerotylosis)
Striate palmoplantar keratoderma (acral keratoderma, Brünauer–Fuhs–Siemens type of palmoplantar keratoderma, focal non-epidermolytic palmoplantar keratoderma, keratosis palmoplantaris varians, palmoplantar keratoderma areata, palmoplantar keratoderma striata, Wachter keratoderma, Wachters palmoplantar keratoderma)
Spiny keratoderma (porokeratosis punctata palmaris et plantaris, punctate keratoderma, punctate porokeratosis of the palms and soles)
Tyrosinemia type II (oculocutaneous tyrosinemia, Richner–Hanhart syndrome)
Vohwinkel syndrome (keratoderma hereditaria mutilans, keratoma hereditaria mutilans, mutilating keratoderma of Vohwinkel, mutilating palmoplantar keratoderma)

Pregnancy-related
Pregnancy-related cutaneous conditions are a group of skin changes observed during pregnancy.