Blood, hematopoietic organs-immune system (D50-D90).
- Sarcoidosis (synonyms: Boeck’s disease; Schaumann-Besnier’s disease) – systemic connective tissue disease with granuloma formation (skin, lungs, and lymph nodes).
- Nonspecific reactive lymphadenopathy (lymph node enlargement).
Skin and subcutaneous tissue (L00-L99)
- Atopic eczema (neurodermatitis)
- Eczema – dermatitis (skin inflammation), especially with pruritus (itching) and erythroderma (areal redness of the skin).
- Parapsoriasis (psoriasis) – a disease similar to psoriasis (psoriasis).
- Pityriasis lichenoides – usually chronic skin disease for which small-spotted papules (nodule-like change on skin or mucous membrane) are characteristic.
- Psoriasis (psoriasis)
- Psoriasiform dermatitis – a psoriasis resembling eczematous inflammatory reaction of the dermis (dermis).
Infectious and parasitic diseases (A00-B99).
- EBV infection – infection with Epstein-Barr virus.
- HIV infection
Neoplasms – tumor diseases (C00-D48)
- Metastases (daughter tumors) of solid tumors, unspecified.
