Lab Literacy Guide by a Clinical Laboratory Scientist
What Is Lab Literacy?
Lab literacy is the ability to understand, interpret, and act on your own laboratory results. Most patients receive their lab results with little explanation — a list of numbers, a “normal” or “abnormal” flag, and a follow-up appointment weeks away. Lab literacy closes that gap.
Why It Matters
Your lab results contain some of the most objective, actionable health data available to you. Understanding them empowers you to have better conversations with your provider, catch trends early, and make informed decisions about nutrition, supplementation, and lifestyle.
The Most Important Labs for Women After 40
- CBC — Complete Blood Count: red cells, white cells, platelets, hemoglobin
- CMP — Comprehensive Metabolic Panel: kidney, liver, blood sugar, electrolytes
- Lipid Panel — LDL, HDL, triglycerides, total cholesterol
- HbA1c — 3-month blood sugar average
- Vitamin D (25-OH) — immune, bone, and mood health
- Ferritin — iron storage; often missed
- TSH — thyroid function
- hsCRP — high-sensitivity CRP — systemic inflammation marker
About the Author
Sonya M., CLS is a Clinical Laboratory Scientist with over 20 years of experience in clinical diagnostics. She is the author of 100 books on nutrition, lab literacy, and women’s wellness, and the founder of AskSonya.ai — a platform that helps patients understand their lab results in plain language.
Explore her books and guides, browse the Health & Nutrition Blog, or submit your lab results for a personalized explanation at AskSonya.ai.
Blog posts
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How to Read Your Bloodwork: A Beginner’s Guide ...
Your lab report contains more information than your doctor has time to explain. A CLS walks you through how to read it, what the numbers mean, and what to ask...
How to Read Your Bloodwork: A Beginner’s Guide ...
Your lab report contains more information than your doctor has time to explain. A CLS walks you through how to read it, what the numbers mean, and what to ask...
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Magnesium & Women’s Health After 40: What Your ...
Magnesium deficiency is widespread and routinely missed by standard blood tests. A CLS explains what to look for, why it matters after 40, and which forms actually work.
Magnesium & Women’s Health After 40: What Your ...
Magnesium deficiency is widespread and routinely missed by standard blood tests. A CLS explains what to look for, why it matters after 40, and which forms actually work.
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Why “Normal” Lab Results Don’t Always Mean Optimal
Being told your labs are 'normal' doesn't mean they're optimal. A CLS explains the difference — and why it matters for your energy, hormones, and long-term health.
Why “Normal” Lab Results Don’t Always Mean Optimal
Being told your labs are 'normal' doesn't mean they're optimal. A CLS explains the difference — and why it matters for your energy, hormones, and long-term health.