GI-MAP Interpretation Guide: How to Read Your Results and Understand Each Marker

Shiga-like Toxin E. coli stx1

Optimal result: 0 – 999 Units

Diagnostic Solutions Laboratory | GI-MAP & Food Sensitivity Tests

By Healthmatters Editorial Team

Peer-reviewed sources

Epidemiology

- Fecal contamination of ingested foods (undercooked meat, unpasteurized milk, juice, and water)

Clinical Implications

- Symptoms may include severe abdominal cramps and diarrhea

- Toxins may elicit strong inflammatory response

Therapeutic Approaches & Considerations

- See your calprotectin and SIgA levels to determine GI inflammation and immune response

- Antibiotics may be contraindicated; they can initiate HUS

- Consider high-dose probiotics (300+ billion CFU/d)

- Consider bacteriophages, broadspectrum antimicrobial herbs, and 5R Protocol (see this blog post)

- Antibiotics and antidiarrheal medicines are contraindicated; they may increase the risk of developing HUS

Epidemiology

- Fecal contamination of ingested foods (undercooked meat, unpasteurized milk, juice, and water)

Clinical Implications

- Symptoms may include severe abdominal cramps and diarrhea

- Toxins may elicit strong inflammatory response

Epidemiology

- Fecal contamination of ingested foods (undercooked meat, unpasteurized milk, juice, and water)

Clinical Implications

- Symptoms may include severe abdominal cramps and diarrhea

- Toxins may elicit strong inflammatory response

Therapeutic Approaches & Considerations

- See your calprotectin and SIgA levels to determine GI inflammation and immune response

- Antibiotics may be contraindicated; they can initiate HUS

- Consider high-dose probiotics (300+ billion CFU/d)

- Consider bacteriophages, broadspectrum antimicrobial herbs, and 5R Protocol (see this blog post)

- Antibiotics and antidiarrheal medicines are contraindicated; they may increase the risk of developing HUS

Organize and understand all your lab results

Start organizing — $15/mo →

For Health Professionals Healthmatters Pro Multiple clients’ results in one dashboard. See Pro plans →

Shiga-like Toxin E. coli stx1

Every lab result you’ve ever had, charted and explained.

Healthmatters is a tracker for your lab results. Upload a report from any lab, any country — every marker charted and explained.

Start with my report →

Clinical Sources & References

All our content is backed by peer-reviewed studies, academic research, and trusted medical sources. We’re committed to accuracy and transparency — see our editorial policy for details.

Article Review Log

Written by Healthmatters Editorial Team

Organize and understand all your lab results

Start organizing — $15/mo →

For Health Professionals Healthmatters Pro Multiple clients’ results in one dashboard. See Pro plans →

Healthmatters Lifetime Plan

Pay $250. Track your health forever

One payment. No renewals. Yours for life.

10,000+ biomarkers explained · trends over time

See other plans →

Secure checkout via Stripe · GDPR & HIPAA

We accept results from any lab

LabCorp Quest Diagnostics Genova Diagnostics DUTCH Test Doctor's Data Vibrant America ZRT Laboratory Cyrex Labs + any other lab

What members are saying

★★★★★ 10,000+ happy members

★★★★★

"Watching my numbers move over the years — instead of forgetting last time's results — completely changed how I manage my health."

Daniel

Member since 2022

★★★★★

"Living across several countries made keeping my lab results organized a real challenge. Healthmatters brought my results from the USA, Spain, and Germany together — 20 years of history, with long-term trends instead of scattered reports."

Ben

Member since 2021 · tracks across countries

★★★★★

"Standard lab ranges are too wide for how I practice — 'normal' isn't optimal. I set my own bands, so a client sees yellow before a marker goes officially out of range. That's the conversation I want to be having."

Dr. Alexandra

Functional medicine · 6 yrs on Pro