When Should You Consider a GI-MAP Test?
- Dr. Caitlan Readhead, ND

- May 11
- 2 min read
Updated: 18 hours ago
If you’ve been dealing with ongoing digestive issues, fatigue, or unexplained symptoms, you may have heard about comprehensive stool testing in functional medicine. One of the most advanced options is the GI-MAP test—but what exactly is it, and when should you consider it?

What Is a GI-MAP Test?
A GI-MAP (Gastrointestinal Microbial Assay Plus) is a comprehensive stool analysis that evaluates the health of your gut microbiome and digestive function. Unlike standard stool tests, it provides a deeper look into what may be contributing to chronic symptoms.
A GI-MAP test can assess:
The gut microbiome balance (beneficial vs. harmful bacteria)
Inflammation levels and immune function in the gut
Your body’s ability to digest and absorb nutrients
Presence of infections (bacteria, parasites, viruses, and fungi)
Markers associated with leaky gut (intestinal permeability)
Who Should Consider a GI-MAP Test?
A GI-MAP test may be helpful if you’re experiencing:
Digestive Symptoms
IBS, chronic constipation, or diarrhea
Bloating, gas, or abdominal discomfort
Pain or discomfort when eating
Changes in appetite
New or worsening food sensitivities
Systemic Symptoms
Chronic fatigue
Brain fog
Mood changes or mental health concerns
Difficulty managing weight
Immune-Related Concerns
Autoimmune conditions
Frequent illness
History of long-term or repeated antibiotic use
Skin Conditions
Eczema
Psoriasis
Unexplained rashes or skin irritation
GI-MAP vs. Standard Stool Testing
Traditional stool tests from labs like LabCorp or Quest Diagnostics typically screen for:
Blood in the stool
H. pylori
A limited number of pathogens
While helpful, these tests can come back “normal” even when symptoms persist.
A GI-MAP test goes deeper by:
Screening for a broader range of parasites and pathogens
Providing detailed insight into microbiome balance
Offering antibiotic susceptibility data if H. pylori is detected (to help guide treatment and reduce resistance risk)
Is a GI-MAP Test Right for You?
If you’re experiencing ongoing or unexplained symptoms, a GI-MAP test may help uncover underlying imbalances that standard testing may miss.
However, testing is just one piece of the puzzle. It’s important to work with a qualified provider who can:
Accurately interpret your results
Create a personalized treatment plan
Address root causes—not just symptoms
Final Thoughts
Your gut plays a central role in digestion, immunity, and overall health. A GI-MAP test can provide valuable insight into what’s happening beneath the surface—helping guide a more targeted and effective approach to healing.
If you are looking for objective answers, book a free meet and greet with me to get started! Option B, at IVY Integrative, you can also build your own team of holistic practitioners! Check out our Get Started page to learn how to work with us!
Author: Dr. Caitlan Readhead, ND
Disclaimer:
This information is generalized and intended for educational purposes only. Due to potential individual contraindications, please see your primary care provider before implementing any strategies in these posts.

