title: Elevated plasma chromogranin A levels attributable to assay interference: a source of diagnostic confusion.
authors.forename: Christopher C
authors.initials: CC
authors.lastname: Case
authors.forename: Arshag D
authors.initials: AD
authors.lastname: Mooradian
mesh_terms: D000368:Aged; D000910:Antibodies, Heterophile / Q000097:blood*; D053379:Chromogranin A; D002864:Chromogranins / Q000097:blood*; D003951:Diagnostic Errors; D005189:False Positive Reactions; D005260:Female; D006801:Humans; D007118:Immunoassay; D018358:Neuroendocrine Tumors / Q000097:blood / Q000175:diagnosis; D010523:Peripheral Nervous System Diseases / Q000175:diagnosis; D012680:Sensitivity and Specificity; D014666:Vasomotor System
chemical_list: D000910:Antibodies, Heterophile; C506150:CHGA protein, human; D053379:Chromogranin A; D002864:Chromogranins