Skin and subcutaneous (L00-L99).
- Allergic skin reaction, unspecified.
- Erythema exsudativum multiforme (synonyms: erythema multiforme, cocard erythema, disc rose) – acute inflammation occurring in the upper corium (dermis), resulting in typical cocard-shaped lesions; a distinction is made between a minor and a major form.
Infectious and parasitic diseases (A00-B99).
- Anaplasmosis – infectious disease.
- Babesiosis – infectious disease
- Erysipelas (erysipelas) – acute areal skin infection caused by streptococci (bacteria).
- FSME (early summer meningoencephalitis) infection – also transmitted by ticks, but this is a viral infection.
- Tinea (fungal skin disease)
- Viral infections, especially with the herpes simplex virus or varicella zoster virus.
Musculoskeletal system and connective tissue (M00-M99).
- Fibromyalgia (fibromyalgia syndrome) – syndrome that can lead to chronic pain (at least 3 months) in multiple body regions.
- Juvenile rheumatoid arthritis – rheumatoid joint inflammation in children.
- Reactive arthritis (synonym: post-infectious arthritis / joint inflammation) – secondary disease after gastrointestinal (gastrointestinal tract concerning), urogenital (urinary and genital organs concerning) or pulmonary (lungs concerning) infections; refers to an arthritis, where pathogens in the joint (usually) can not be found (sterile synovialitis).
- Reiter’s disease (synonyms: Reiter’s syndrome; Reiter’s disease; arthritis dysenterica; polyarthritis enterica; postenteritic arthritis; posturethritic arthritis; undifferentiated oligoarthritis; urethro-oculo-synovial syndrome; Fiessinger-Leroy syndrome; English Sexually acquired reactive arthritis (SARA)) – special form of a “reactive arthritis” (see above. ); secondary disease after gastrointestinal or urogenital infections, characterized by the symptoms of Reiter’s triad; seronegative spondyloarthropathy, which is triggered especially in HLA-B27 positive persons by an intestinal or urinary tract disease with bacteria (mostly chlamydia); Can manifest as arthritis (joint inflammation), conjunctivitis (conjunctivitis), urethritis (urethritis) and partly with typical skin changes.
Psyche – Nervous System (F00-F99; G00-G99)
- Chronic fatigue syndrome (CFS).
- Multiple sclerosis (MS) – neurological disease that can cause paralysis and spasticity.
- Nucleus pulposus prolapse (herniated disc).
Injuries, poisonings, and certain other consequences of external causes (S00-T98).
- Insect bites
