What laboratory tests assess Irritable Bowel Syndrome?

Food-Specific Immunoglobulin G

IgG

Food-Specific Immunoglobulin A

IgA

Food-Specific Immunoglobulin G Subclass 4

IgG4

Faecal Calprotectin

FC

Short-Chain Fatty Acids (Acetate, Propionate, Butyrate)

SCFA

Total Serum Immunoglobulin E

Total IgE

Zonulin

Food-Specific Immunoglobulin E Antibodies

IgE

Immunoglobulin G to Gliadin

IgG-Gliadin

Immunoglobulin G to Wheat

IgG-Wheat

Immunoglobulin G to Rye

IgG-Rye

Immunoglobulin G to Barley

IgG-Barley

Immunoglobulin G Food-Specific Antibodies

IgG

Parasites (Ova, Cysts, Trophozoites)

Parasites

Faecal Calprotectin

Calprotectin

Secretory Immunoglobulin A

sIgA

Faecal pH

pH

Beta-Glucuronidase

β-Gluc

Microbial diversity (Shannon index)

Shannon H'

Breath Hydrogen

H2

Breath Methane

CH4

IgG Antibodies to 184 Foods

IgG

IgE Antibodies to 15 Common Foods

IgE

Immunoglobulin G Antibodies to Food Antigens

IgG

IgG Antibody Reactivity Profile (184 foods)

IgG Panel

IgG Antibodies to 184 Food Antigens

IgG Food Panel

Immunoglobulin G to Cross-Reactive Foods (aggregate)

IgG Cross-Reactive

Food-Specific Immunoglobulin A

IgA

Food-Specific Immunoglobulin G

IgG

Food-Specific Immunoglobulin G Subclass 4

IgG4

Vegetarian Food Reactivity Profile

Reactivity Profile

Immunoglobulin G Antibodies to Food Antigens

IgG

Immunoglobulin G to Oat

IgG Oat

Immunoglobulin G to Corn (Maize)

IgG Corn

Immunoglobulin G to Dairy Proteins (Casein, Whey)

IgG Dairy

Immunoglobulin G to Egg Proteins

IgG Egg

Immunoglobulin G to Soy Proteins

IgG Soy

Immunoglobulin G to Yeast (Saccharomyces cerevisiae)

IgG Yeast

Composite IgG Reactivity Score

IgG Composite

Anti-Tissue Transglutaminase IgG

anti-tTG IgG

Anti-Tissue Transglutaminase IgA

anti-tTG IgA

Anti-Saccharomyces cerevisiae IgG

ASCA IgG

Anti-Saccharomyces cerevisiae IgA

ASCA IgA

Anti-CBir1 Flagellin IgG

anti-CBir1

Immunoglobulin G to Black Pepper

IgG Black Pepper

Immunoglobulin G to Cayenne Pepper

IgG Cayenne

Immunoglobulin G to Cinnamon

IgG Cinnamon

Immunoglobulin G to Clove

IgG Clove

Immunoglobulin G to Coriander

IgG Coriander

Immunoglobulin G to Cumin

IgG Cumin

Immunoglobulin G to Garlic

IgG Garlic

Immunoglobulin G to Ginger

IgG Ginger

Immunoglobulin G to Mustard

IgG Mustard

Immunoglobulin G to Turmeric

IgG Turmeric

Alpha Diversity (Shannon Index)

Shannon H'

Faecalibacterium prausnitzii

F. prausnitzii

Akkermansia muciniphila

A. muciniphila

Bifidobacterium (genus)

Bifidobacterium

Proteobacteria (phylum) — dysbiosis signal

Proteobacteria

Firmicutes-to-Bacteroidetes Ratio (derived)

F:B ratio

Short-Chain Fatty Acid / Butyrate Biosynthesis Pathway Potential

SCFA/butyrate potential

Commensal Bacterial Flora

Commensal Flora

Opportunistic and Pathogenic Bacteria

Opportunistic Pathogens

Yeast and Fungal Organisms

Yeast

Faecal Elastase-1

Elastase-1

Faecal Secretory IgA

sIgA

Faecal Pancreatic Elastase-1

PE-1

Faecal Occult Blood

FOB

Beneficial Bacteria: Lactobacillus spp.

Lactobacillus

Beneficial Bacteria: Bifidobacterium spp.

Bifidobacterium

Pathogenic Bacteria

Pathogens

Yeast and Fungi

Yeast

Pancreatic Elastase-1

PE-1

Faecal Fat (Steatocrit or Qualitative)

Steatocrit

Faecal Occult Blood

FOB

Pathogen PCR Detection Panel

Pathogen PCR

Bacterial Taxa Relative Abundance (Phylum, Family, Genus, Species)

Taxa %

Pancreatic Elastase-1

PE-1

Faecal Calprotectin

Calprotectin

Faecal Secretory IgA

sIgA

Commensal Bacteria Abundance (PCR panel)

Commensals

Pathogenic Bacteria, Parasites & Yeast Screen

Pathogens

Molecular Gastrointestinal Pathogen Detection (multiplex PCR/qPCR — bacterial, parasitic, and viral targets)

Molecular Pathogens

Microbiome Abundance and Dysbiosis Index (qPCR relative abundance of keystone/commensal organisms with a proprietary composite score)

Dysbiosis Index

Digestion and Absorption Markers (pancreatic elastase-1 and products of digestion)

Digestion/Absorption

Gut Inflammation and Immunology Markers (calprotectin, secretory IgA, eosinophil protein X)

Inflammation/Immunology

Gut Metabolic Markers (short-chain fatty acids, beta-glucuronidase, faecal pH)

Gut Metabolic

Culture, Mycology, and Parasitology (MALDI-TOF-identified culture with susceptibilities, yeast/fungi, and microscopic ova-and-parasite examination with immunoassays)

Culture/Mycology/Parasitology

Breath Hydrogen Sulfide (H2S)

H2S

Zonulin (Faecal), by immunoassay

Zonulin