Diagnostic preparations, agents and substances for medical use; diagnostic products for medical use being diagnostic reagents; Medical diagnostic kits comprising reagents to be used in exposomic testing; medical diagnostic kits for diagnosing autism spectrum disorder (ASD), attention deficit hyperactive disorder (ADHD), amyotrophic lateral sclerosis (ALS), psychosis, schizophrenia, inflammatory bowel disease (IBS), eosinophilic esophagitis, renal disease, and cancer, being diagnostic preparations for medical use for sale in kit form; medical diagnostic reagents and assays for testing hair samples

Medical apparatus and instruments; medical diagnostic and testing apparatus and instruments; Apparatus for exposomic testing; apparatus for analysis of hair samples for diagnostic purposes; medical apparatus and instrument for diagnostic use, namely, apparatus for medical diagnostic testing in the fields of autism spectrum disorder (ASD), attention deficit hyperactive disorder (ADHD), amyotrophic lateral sclerosis (ALS), psychosis, schizophrenia, inflammatory bowel disease (IBS), eosinophilic esophagitis, renal disease, and cancer; medical devices for testing hair samples for diagnostic purposes; diagnostic kits comprised of a test tube for specimen collection and a requisition form for use with an analysis device for testing hair samples for diagnosis of autism spectrum disorder (ASD), attention deficit hyperactive disorder (ADHD), amyotrophic lateral sclerosis (ALS), psychosis, schizophrenia, inflammatory bowel disease (IBS), eosinophilic esophagitis, renal disease, and cancer