Method: Shotgun metagenomic sequencing (CLIA 21D2062464); not cleared or approved by the FDA. Results reflect relative microbial abundance for wellness education purposes. Not intended to diagnose or treat disease and not a substitute for clinical consultation. Microbial associations are based on emerging scientific research and may change over time. Derived from laboratory results. This score or index is not an FDA-cleared test. It aids clinician-directed assessment and is not a stand-alone diagnosis.
A derived biomarker is a value that is calculated from other directly measured biomarkers rather than being measured directly in the lab.
Key benefits of Abundance index testing
- Antibiotic resistance gene load tracking
- overall antibiotic resistance burden in the gut
- relevant for personal and public health
What is Abundance index?
The Abundance index is a derived metric quantifying the overall load of antibiotic resistance genes (ARGs) detected in your gut microbiome by shotgun metagenomic sequencing. It reflects the total abundance of known resistance genes relative to microbial reads.
Why is Abundance index important?
The gut microbiome can harbor antibiotic resistance genes that may be transferred between bacteria. A higher abundance of resistance genes may indicate past antibiotic exposure, specific dietary exposures, or healthcare-associated acquisition. This metric reflects how much antibiotic resistance genetic material is present overall.
What insights will I get?
Your Abundance index may reflect cumulative antibiotic use history, animal product sourcing, and healthcare exposure. Discuss elevated levels with your care team to explore targeted microbiome restoration strategies after antibiotic treatment.





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