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Reference Guide
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Doctor's Data
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GI360

GI360

By 
Doctor's Data
GI360
Doctor's Data
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About the Test

The GI360 Profile Test, developed by Doctor's Data, stands out as an advanced diagnostic tool designed to offer healthcare practitioners a detailed analysis of the gastrointestinal microbiome. This test is pivotal for practitioners seeking to understand the complex interplay of various microorganisms within the gut and their impact on overall health.

Key Features of the GI360 Test

Broad Spectrum Analysis: The GI360 test goes beyond standard microbiome assessments by evaluating the diversity and abundance of over 45 analytes. This extensive range ensures a thorough understanding of the patient's gut microbiota.

Pathogen Identification: A critical component of the test is its ability to detect pathogenic bacteria, viruses, and parasites. Identifying these pathogens is essential in diagnosing and treating various gastrointestinal disorders and related conditions.

Digestion and Absorption Markers: The GI360 test includes markers for digestion and absorption. This aspect is crucial for assessing the gut's functional health and identifying any malabsorption issues that might contribute to nutritional deficiencies and gastrointestinal symptoms.

Inflammatory Marker Assessment: Inflammation in the gut can be a sign of multiple disorders ranging from infections to inflammatory bowel disease. The GI360 test includes markers that help in the identification and quantification of gastrointestinal inflammation.

Advantages of the GI360

The GI360 Test offers several key advantages that enhance a practitioner's ability to diagnose and manage gastrointestinal health issues effectively:

In-Depth Microbiome Analysis

The GI360 test provides a comprehensive examination of the microbiome's composition. This thorough analysis is instrumental for practitioners in understanding how the gut microbiota influences a patient's overall health. It sheds light on the complex interactions within the gut environment, offering insights into various health implications.

Precision in Treatment Planning

With its detailed assessment of pathogens and functional markers, the GI360 test equips practitioners with the data needed for crafting highly targeted treatment strategies. This precision is beneficial whether addressing specific infections, making dietary modifications, managing chronic gastrointestinal conditions, or determining root cause for pertinent systemic health issues. It allows for a more personalized approach to patient care, catering to the unique gut health needs, and physical and mental wellness of each individual.

Diagnostic Accuracy

The broad range of analytes tested in the GI360 provides a more nuanced and accurate diagnosis of complex gastrointestinal issues. This extensive testing spectrum enhances a practitioner's ability to pinpoint the root causes of GI symptoms and disorders, facilitating more effective and timely patient care. The ability to diagnose with greater accuracy ultimately leads to improved health outcomes and patient satisfaction.

Which Patients is The GI360 Best Used For?

The GI360 test is a valuable diagnostic tool for healthcare practitioners looking to investigate a range of gastrointestinal and systemic conditions linked to imbalances in the gut microbiota. Understanding which patients are ideal candidates for this test can significantly enhance diagnostic accuracy and treatment efficacy.

Gastrointestinal Disorders:

  • Irritable Bowel Syndrome (IBS): Patients with symptoms of IBS may benefit from the GI360 test to understand microbial imbalances and differentiate from IBD.
  • Inflammatory Bowel Disease (IBD): This includes conditions like Crohn's disease and ulcerative colitis where gut microbiota plays a crucial role and the markers assessed in the GI360 support diagnosis and treatment monitoring.
  • Other Gastrointestinal Conditions: Symptoms like acute or chronic diarrhea, abdominal pain, and mucosal barrier dysfunction are also indications.

Systemic and Related Disorders:

  • Celiac Disease: Patients with celiac or gluten sensitivity issues.
  • Cardiovascular Diseases: Where gut microbiome balance may influence heart health.
  • Neurological Disorders: Including conditions where gut-brain axis may be involved.
  • Skin Conditions: Such as eczema or psoriasis, which can have gut-related triggers.
  • Autoimmune Disorders and Immune System Imbalances: To assess the gut microbial balance and mucosal barrier integrity  in immune function.
  • Multiple Inflammatory Disorders: Where the status of gut permeability and microbiome balance may contribute to systemic inflammation.

Additional Clinical Scenarios:

  • Joint Pain and Autoimmune Disease: To explore links between gut health and musculoskeletal or autoimmune symptoms.
  • Food Sensitivities: For patients experiencing adverse reactions to certain foods.
  • Nutritional Deficiencies: To determine if gut malabsorption or food sensitivity may be contributing.
  • Concerning Gastrointestinal Symptoms: Such as bloody stool, fever, or vomiting, which require thorough investigation.

For practitioners, the GI360 test is a comprehensive tool for diagnosing and understanding a myriad of conditions linked to the gut microbiome. Its application ranges from gastrointestinal disorders like IBS and IBD to systemic conditions including autoimmune diseases and neurological disorders. 

Recognizing the appropriate clinical scenarios for its use can lead to more targeted and effective treatment strategies for patients.

What does the GI360 Test Measure?

The GI360 test is a sophisticated diagnostic tool used to investigate gastrointestinal health. It utilizes a blend of advanced techniques to detect and evaluate the presence and impact of various microorganisms in the gastrointestinal tract. The test's structure and reporting methodology are designed for clarity and precision in understanding gut health.

Detection Technologies Used in GI360

Multiplex PCR (Polymerase Chain Reaction): This technique allows for the simultaneous detection of multiple pathogenic bacteria, viruses, and parasites. It's highly sensitive and specific in identifying the DNA of these organisms.

MALDI-TOF (Matrix-Assisted Laser Desorption/Ionization Time-Of-Flight): This advanced mass spectrometry method is used for identifying bacteria and yeast cultures, providing detailed insights into the microbial composition of the gut.

Microscopy: Traditional yet effective, microscopy is employed to visually assess the presence of parasites and other microorganisms that may not be detected by PCR or MALDI-TOF.

Reporting and Interpretation of Results

Dysbiosis Index (DI): The GI360 test reports a Dysbiosis Index, which is a numerical value ranging from 1 to 5. This score is derived from comparing the bacterial abundance and profile in the patient's sample against a reference normobiotic population. The report includes a color coding feature enabling prompt identification of values of concern.

Standard Deviation Scoring:

Range of Scores: Test results are presented as scores ranging from -3 to +3 standard deviations from the normobiotic reference.

Interpreting the DI: A higher Dysbiosis Index signifies a greater deviation from the normobiotic reference. For instance, DI values greater than 2 may indicate a significant shift in the microbiota composition away from the normobiosis.

The GI360 test, through its use of multiplex PCR, MALDI-TOF, and microscopy, offers a comprehensive analysis of the gastrointestinal microbiome. Its reporting system, particularly the Dysbiosis Index, provides clinicians with a quantifiable measure to understand the extent of dysbiosis in the gut. This aids in diagnosing gastrointestinal symptoms and diseases and in formulating effective treatment strategies.

Sample Collection Guidelines

For healthcare practitioners planning to utilize the GI360 test, understanding the sample collection process is crucial for ensuring accurate results. Here is an overview of the requirements for sample collection for this test:

Type of Sample Required

Three-Day Stool Sample: The GI360 test necessitates a stool sample collected over a span of three days. This is to be done by the patient in the comfort of their home.

Collection Timeline and Procedure

Collection Duration: While it is ideal to collect the samples on consecutive days, it is not strictly required. However, it is important to complete the collection within seven days from the first sample.

Reason for Multiple Day Collection: Gathering samples over multiple days provides a more comprehensive overview of the gut microbiota, accounting for daily variations and decreasing possibility of missing some microorganisms

Considerations for PCR Testing

Sensitivity of PCR: The test employs Polymerase Chain Reaction (PCR), a highly sensitive method capable of detecting very low numbers of pathogens.

Live vs Dead Pathogens: It is important to note that PCR does not differentiate between live and dead pathogens. This characteristic is crucial in interpreting the results accurately.

Post-Treatment Testing Guidelines

Timing for Repeat Testing: To avoid false-positive results, it is advised not to repeat the GI360 test sooner than three weeks after the completion of any treatment. This waiting period ensures that the test does not pick up remnants of dead pathogens that might still be present immediately after treatment.

For practitioners, understanding and conveying these sample collection guidelines to patients is key for the successful implementation of the GI360 test. The meticulous collection process, combined with the sensitivity of PCR testing, contributes to the test's accuracy and reliability in assessing gastrointestinal health.

About the Test

The GI360™ provides a comprehensive analysis of pathogens, viruses, parasites, and bacteria in the gastrointestinal system. Analysis is performed by a combination of multiplex PCR, MALDI-TOF, and microscopy.

Biomarkers

Phascolarctobacterium spp.
Phascolarctobacterium spp.
Total Fecal Fat
Total Fecal Fat
Bacteria Culture
Bacteria Culture
Veillonella spp.
Veillonella spp.
Iodamoeba buetschlii
Iodamoeba buetschlii
Beta-Glucuronidase
Beta-Glucuronidase
Entamoeba hartmanni
Entamoeba hartmanni
Parabacteroides spp.
Parabacteroides spp.
Taenia spp.
Taenia spp.
Occult Blood
Occult Blood
Escherichia spp.
Escherichia spp.
Norovirus GII
Norovirus GII
Dorea spp.
Dorea spp.
Giardia
Giardia
Norovirus GI
Norovirus GI
Clostridium difficile Toxin A
Clostridium difficile Toxin A
Shigella/EIEC
Shigella/EIEC
Diphyllobothrium datum
Diphyllobothrium datum
Fasciola/Fasciolopsis
Fasciola/Fasciolopsis
Campylobacter
Campylobacter
E.coli O157
E.coli O157
Clostridium difficile Toxin B
Clostridium difficile Toxin B
Entamoeba histolytica/dispar
Entamoeba histolytica/dispar
Pancreatic Elastase 1
Pancreatic Elastase 1
Salmonella
Salmonella
Schistosoma
Schistosoma
Enterotoxigenic E.coli (ETEC)Lt/St
Enterotoxigenic E.coli (ETEC)Lt/St
Alistipes spp.
Alistipes spp.
Streptococcus spp
Streptococcus spp
Rotavirus A
Rotavirus A
Entamoeba polecki
Entamoeba polecki
Yeast Culture
Yeast Culture
Chilomastix mesnili
Chilomastix mesnili
Blastocystis spp.
Blastocystis spp.
Balantidium coli
Balantidium coli
Endolimax nana
Endolimax nana
Lactoferrin
Lactoferrin
Trichuris trichiura
Trichuris trichiura
Entamoeba coli
Entamoeba coli
Pentatrichomonas hominis
Pentatrichomonas hominis
Hymenolepis nana
Hymenolepis nana
Hymenolepis diminuta
Hymenolepis diminuta
Dipylidium caninum
Dipylidium caninum
Diphyllobothrium latum
Diphyllobothrium latum
Dientamoeba fragilis
Dientamoeba fragilis
Citrobacter freundii
Citrobacter freundii
Streptococcus spp.
Streptococcus spp.
Firmicutes
Firmicutes
Lactobacillus spp.
Lactobacillus spp.
Bifidobacterium spp.
Bifidobacterium spp.
Bacteroides fragilis
Bacteroides fragilis
Adenovirus 40/41
Adenovirus 40/41
Entamoeba histolytica
Entamoeba histolytica
Cryptosporidium spp.
Cryptosporidium spp.
Vibrio cholerae
Vibrio cholerae
Salmonella spp.
Salmonella spp.
Campylobacter spp.
Campylobacter spp.
Carbohydrates
Carbohydrates
Butyrate
Butyrate
Red Blood Cells
Red Blood Cells
White Blood Cells
White Blood Cells
Calprotectin
Calprotectin
Enterobacter cloacae
Enterobacter cloacae
Akkermansia muciniphila
Akkermansia muciniphila
Escherichia coli
Escherichia coli
Faecalibacterium prausnitzii
Faecalibacterium prausnitzii
Capillaria philippinensis
Capillaria philippinensis
Enterobius vermicularis
Enterobius vermicularis
Strongyloides stercoralis
Strongyloides stercoralis
Total Short Chain Fatty Acids
Total Short Chain Fatty Acids
Yersinia spp.
Yersinia spp.
gamma-Hemolytic Streptococci
gamma-Hemolytic Streptococci
Comamonas jiangduensis
Comamonas jiangduensis
beta-Hemolytic Streptococci, Group B
beta-Hemolytic Streptococci, Group B
Acetate
Acetate
Ascaris lumbricoides
Ascaris lumbricoides
Propionate
Propionate
Vibrio spp.
Vibrio spp.
Plesiomonas shigelloides
Plesiomonas shigelloides
Edwardsiella tarda
Edwardsiella tarda
Aeromonas spp.
Aeromonas spp.
Mycoplasma hominis
Mycoplasma hominis
Proteobacteria
Proteobacteria
Ruminococcus gnavus
Ruminococcus gnavus
Lachnospiraceae
Lachnospiraceae
Secretory IgA
Secretory IgA
Eubacterium siraeum
Eubacterium siraeum
Eubacterium hallii
Eubacterium hallii
Eubacterium biforme
Eubacterium biforme
Dialister invisus
Dialister invisus
Catenibacterium mitsuokai
Catenibacterium mitsuokai
Bacilli Class
Bacilli Class
Parabacteroides johnsonii
Parabacteroides johnsonii
Bacteroides zoogleoformans
Bacteroides zoogleoformans
Bacteroides stercoris
Bacteroides stercoris
Alistipes onderdonkii
Alistipes onderdonkii
Actinomycetales
Actinomycetales
pH
pH
Actinobacteria
Actinobacteria
Vegetable Fibers
Vegetable Fibers
Pollen
Pollen
Charcot-Leyden Crystals
Charcot-Leyden Crystals
Paragonimus westermani
Paragonimus westermani
Valerate
Valerate
Heterophyes heterophyes
Heterophyes heterophyes
Clonorchis sinensis
Clonorchis sinensis
Hookworm
Hookworm
Capillaria hepatica
Capillaria hepatica
Muscle Fibers
Muscle Fibers
Mucus
Mucus
Retortamonas intestinalis
Retortamonas intestinalis
Cystoisospora belli
Cystoisospora belli
Lysozyme
Lysozyme
Enteromonas hominis
Enteromonas hominis
Shigella spp.
Shigella spp.
Clostridioides difficile
Clostridioides difficile
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Lab Test Information
Price
$
752
.00
 $
402.00
Sign up to View
Lab Company
Doctor's Data
Sample Type
Stool
Shipping Time
3 - 5 days
FedEx
Turnaround Time
8 days
Test Preparation Starts
Up to 28 days before collection
Number of Collection Days
3 days
Methods Used For Processing
Colorimetric Assay, Gas Chromatography, Guaiac, Microscopy, Multiplex PCR, Antibiotic Susceptibility Testing, ph Electrode, MALDI-TOF MS, ELISA
Lab Certifications
CLIA Certified
CAP Accredited
ISO 15189
COLA Accredited
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