2nd order laboratory parameters – depending on the results of the medical history, physical examination, etc. – for differential diagnostic clarification
- Small blood count
- Differential blood count
- Inflammatory parameter – CRP (C-reactive protein)
- Electrolytes – sodium, potassium
- Pancreatic parameters – amylase, elastase (in serum and stool), lipase.
- Liver parameters – alanine aminotransferase (ALT, GPT), aspartate aminotransferase (AST, GOT), glutamate dehydrogenase (GLDH) and gamma-glutamyl transferase (gamma-GT, GGT).
- Renal parameters – urea, creatinine, creatinine clearance if necessary.
- Stool examination
- Stool culture: stool for common pathogens (Campylobacter, Salmonella, Shigella, Yersinia), Clostridium difficile, pathogenic E. coli (EHEC, EPEC), Listeria (in newborns), Staphylococcus aureus, fungi sprouts.
- Antigen detection (parasites, viruses, toxins): adenovirus and rotavirus antigen detection, detection of Clostridium difficile antigen, verotoxin or Shigatoxin (= toxin enterohemolytic E.coli).
- Microscopic examination for worm eggs, lamblial and amoebic cysts, cryptosporidia, microsporidia,
