Contents
Understanding the BATScore
The BATScore is a standardized index (0–100) that reflects the balance between Beta-Amyloid (Aβ) and Tau (T) activity, the two key proteins involved in the brain’s cleanup and repair systems.
It provides a single, comparable measure of how efficiently your brain is maintaining biological stability over time.
Unlike standard lab values, the BATScore isn’t about diagnosing disease, it’s about detecting biological drift before it becomes clinical.
What the BATScore Represents
The BATScore combines data from BAT Testing biomarkers, Aβ42/40 ratio and pTau181 or pTau217, into a composite value that summarizes:
• Protein clearance efficiency (Aβ)
• Repair system activation (Tau)
• Relative biological drift (balance between the two)
A stable or improving BATScore indicates efficient protein turnover and low drift.
A decreasing score signals possible buildup or imbalance requiring review, not alarm.
BATScore Scale
| Score Range | Interpretation | Description |
|---|---|---|
| 90–100 | Optimal | Efficient protein clearance and balanced Tau activity. No measurable drift. |
| 80–89 | Mild Drift | Slight imbalance. Monitor trend or recheck in 3–6 months. |
| 70–79 | Moderate Drift | Noticeable inefficiency in clearance or repair systems. Review lifestyle, sleep, or metabolic contributors. |
| Below 70 | Elevated Drift | Confirm with provider. May indicate early stress on clearance pathways. |
This scoring scale applies across all CLIA-certified labs using the BAT Testing protocol.
Because results are normalized to the BATWatch reference framework, your score is directly comparable across different lab platforms.
How the BATScore Is Calculated
While the specific formula is proprietary, the method is standardized across participating laboratories:
1. Lab Measurement:
Aβ42/40 and pTau levels are measured by the performing lab.
2. Normalization:
Raw values are normalized to the BATWatch data standard to account for cross-lab variance.
3. Ratio Weighting:
Aβ and Tau are assigned relational weights that reflect their impact on biological drift.
4. Composite Scoring:
The normalized data produces a 0–100 BATScore for clear trend visualization.
Note: BATWatch does not perform laboratory testing, manufacture assays, or collect profit from any testing activity.
All scoring is derived from independently validated lab data.
How to Use Your BATScore
• Track trends, not snapshots: A single test shows status; multiple show trajectory.
• Compare before and after interventions: Especially useful following BATReset cycles or major lifestyle changes.
• Discuss results with your provider: The score is meant for guided interpretation, not self-diagnosis.
• Pair with BATCheck data: Metabolic and inflammatory changes often explain why the BATScore shifts.
BATWatch uses longitudinal comparison, not one-time labeling, to help individuals and providers track biological direction, toward stability or drift.
Interpreting Changes
| Trend | Meaning | Suggested Action |
|---|---|---|
| Rising BATScore | Improved clearance and reduced Tau stress | Continue current habits or BATReset plan |
| Stable BATScore | Sustained efficiency | Maintain routine and annual monitoring |
| Gradual Decline | Early drift forming | Review sleep, stress, diet, or metabolic changes |
| Sharp Drop (>10 points) | Potential signal of clearance disruption | Reassess with provider; may warrant full BAT Testing repeat |
Trends over time matter more than any single number.
The BATScore helps visualize direction, empowering individuals to act early, long before symptoms emerge.
Relationship to BAT Testing and BATCheck
| Program | Purpose | Data Type | Frequency |
|---|---|---|---|
| BAT Testing | Measures Beta-Amyloid and Tau | Quantitative protein data | Initial or periodic |
| BATScore | Translates those values into a normalized score | Composite metric (0–100) | Each BAT Testing cycle |
| BATCheck | Evaluates upstream causes of drift | Metabolic, vascular, and hormonal markers | Annually |
Together, these layers form the BATWatch Prevention Loop, Detect → Track → Adjust → Verify.
Limitations and Transparency
• The BATScore is not a diagnostic result or medical diagnosis.
• It is designed to monitor trends and guide preventive decision-making.
• Variations of 3–5 points are normal between labs or sampling days.
• All results should be interpreted in consultation with a licensed provider.
• BATWatch does not sell, manufacture, or profit from lab testing.
Key Takeaway
The BATScore makes invisible biological drift visible, turning decades of biomarker research into a simple, trackable number.
It’s not a medical label; it’s a signal, showing whether your brain’s cleanup systems are staying balanced or starting to slow down.