Autoimmune GI dysmotility

• Gastrointestinal Dysmotility, Autoimmune/Paraneoplastic Evaluation, Serum

Celiac disease

• Immunoglobulin A (IgA), Serum
• Endomysial Abs, Serum (IgA)
• Gliadin(Deamidated) Ab, IgA, Serum
• Tissue Transglutaminase Ab, IgG, Serum
• Gliadin(Deamidated) Ab, IgG, Serum
• Tissue Transglutaminase Ab, IgA, S

Inflammatory bowel disease

Diagnosis and monitoring

• Calprotectin, Feces
• Saccharomyces cerevisiae antibodies, IgA, Serum
• Saccharomyces cerevisiae antibodies, IgG, Serum
• Neutrophil-specific antibodies (perinuclear anti-neutrophilic cytoplasmic antibody — pANCA)
• CRP | C-Reactive Protein (CRP), Serum

Thiopurine management

• Thiopurine Methyltransferase Activity Profile, Erythrocytes
• Thiopurine Methyltransferase (TPMT) and Nudix Hydrolase (NUDT15) Genotyping, Varies
• Thiopurine Metabolites, Whole Blood
• Neutrophil-specific antibodies (perinuclear anti-neutrophilic cytoplasmic antibody — pANCA)
• CRP | C-Reactive Protein (CRP), Serum

Intestinal infections

• GIP | Gastrointestinal Pathogen Panel, PCR, Feces

Liver disease

Autoimmune liver disease

• Autoimmune Liver Disease Panel, Serum
• Mitochondrial Ab, M2, Serum
• Antinuclear Ab, HEp-2 Substrate, Serum
• Smooth Muscle Ab Screen, Serum
• SP100 Antibody, IgG, Serum
• GP210 Antibody, IgG, Serum
• Mitochondrial Ab, M2, Serum

Hepatocellular carcinoma

• Des-Gamma-Carboxy Prothrombin, Serum
• Alpha-Fetoprotein (AFP) L3% and Total, Hepatocellular Carcinoma Tumor Marker, Serum
• AFP | Alpha-Fetoprotein (AFP) Tumor Marker, Serum

Viral hepatitis

• Hepatitis C Virus (HCV) Antibody with Reflex to HCV RNA by PCR, Symptomatic, Serum
• Hepatitis C Virus (HCV) Antibody Screen with Reflex to HCV RNA, PCR, Asymptomatic, Serum
• HCVQN | Hepatitis C Virus (HCV) RNA Detection and Quantification by Real-Time Reverse Transcription-PCR, Serum
• HEVG | Hepatitis E Virus IgG Antibody, Serum
• Hepatitis E Virus IgM Antibody Screen with Reflex to Confirmation, Serum
• Hepatitis C Virus Genotype, Serum
• Hepatitis C Virus Genotypic Antiviral Drug Resistance, Serum

Malabsorption

Bile acid malabsorption

• Bile Acids, Bowel Dysfunction, 48 Hour, Feces
• Bile Acids Malabsorption Panel, Serum and Feces
• Bile Acid Synthesis, Serum

Exocrine pancreatic insufficiency

• Pancreatic Elastase, Feces

Malabsorption panel

• Alpha-1-Antitrypsin, Random, Feces
• Calprotectin, Feces
• Pancreatic Elastase, Feces
• Reducing Substance, Feces

Pediatrics

Celiac disease

• Immunoglobulin A (IgA), Serum
• Endomysial Abs, Serum (IgA)
• Gliadin(Deamidated) Ab, IgA, Serum
• Gliadin(Deamidated) Ab, IgA, Serum
• Gliadin(Deamidated) Ab, IgG, Serum
• Tissue Transglutaminase Ab, IgA, Serum
• HLA-DQ Typing

Helicobacter pylori

• Helicobacter antigen test

Inflammatory bowel disease

• Calprotectin, Feces
• Cytoplasmic Neutrophilic Ab IBD, Serum
• Saccharomyces cerevisiae Ab, IgA, Serum
• Saccharomyces cerevisiae Ab, IgG, Serum

Intestinal infections

• Gastrointestinal Pathogen Panel, PCR, Feces

Malabsorption disorders

• Alpha-1-Antitrypsin, Random, Feces
• Calprotectin, Feces
• Pancreatic Elastase, Feces
• Reducing Substance, Feces

Thiopurines

• Thiopurine Methyltransferase Activity Profile, Erythrocytes
• Thiopurine Metabolites, Whole Blood