Allergy Skin Test Interpreter Calculator
Wheal and flare measurement interpretation.
Medical Disclaimer
This calculator is for informational and educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making decisions about your health. Never disregard professional medical advice or delay seeking it because of results from this tool.
Inputs
Results
Reaction grade (0-4+)
3
Clinically positive (0/1)1
Net wheal (mm)5
Wheal/histamine ratio1.25
Sensitivity level (0-4)2
Test valid (0/1)1
Flare Significant1
How to Use This Calculator
- Enter Wheal diameter (mm), Flare diameter (mm), and Histamine control wheal (mm).
- Set Saline control wheal (mm).
- Review the Reaction grade (0-4+) result.
- Use Clinically positive (0/1) and Net wheal (mm) to inform your decision.
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