Lab results explained
Got a result marked high or low? Each guide gives the typical range, the common reasons, when to get help and what to ask your doctor.
Check my whole reportComplete blood count (CBC)
- CBC test normal rangeNormal ranges for a CBC (complete blood count): hemoglobin, WBC or TLC, platelets, RBC and red cell indices, with both unit styles and what results mean.
- Low hemoglobin: meaning and causesWhat low hemoglobin (haemoglobin) means, common causes like iron deficiency, how MCV and ferritin help find the cause, and when it needs urgent care.
- Low platelet count: what your result meansWhat a low platelet count means, common causes including dengue and other infections, dengue warning signs, and when a low count needs urgent care.
- High white blood cell count (WBC or TLC): what it meansWhat a high WBC or TLC result means, common causes such as infection, stress and smoking, how the differential helps, and when to get urgent care.
Blood sugar & diabetes
- HbA1c normal rangeHbA1c normal, prediabetes and diabetes ranges in % and mmol/mol, how it compares with fasting glucose, what can make it misleading and what happens next.
- Fasting blood sugar normal rangeThe normal fasting blood sugar range in mg/dL and mmol/L, what prediabetes and diabetes results mean, how to prepare for the test, and what comes next.
Lipid profile (cholesterol)
- High LDL cholesterol: what it meansWhat a high LDL (bad) cholesterol result means, the cut-offs in mg/dL and mmol/L, common causes, how doctors judge heart risk and what happens next.
- High triglycerides: what they meanWhat high triglycerides mean, normal and high cut-offs in mg/dL and mmol/L, common causes such as sugar, alcohol and diabetes, and when levels are urgent.
- Lipid profile normal rangeNormal lipid profile ranges for total cholesterol, LDL, HDL, triglycerides, non-HDL and VLDL in mg/dL and mmol/L, and what your doctor looks at next.
Liver function (LFT)
- High ALT (SGPT): what it meansWhat a high ALT or SGPT result means, common causes like fatty liver, alcohol and medicines, how AST and GGT fit in, and when to get urgent care.
- High bilirubin: what your result meansWhat high total, direct or indirect bilirubin means, common causes from Gilbert syndrome to hepatitis, jaundice signs, and when to get urgent care.
Kidney function (RFT / KFT)
- High creatinine: what it meansWhat a high creatinine result means, common causes such as dehydration and kidney disease, how eGFR fits in, and when a high reading needs urgent care.
- High uric acid: what your result meansWhat a high uric acid result means, how it links to gout and kidney stones, common causes, and what your doctor may suggest next.
- Low eGFR: what your result meansWhat a low eGFR result means for kidney function, the stages from G1 to G5, why one result is not a diagnosis, and what your doctor may check next.
Thyroid
- High TSH: what it meansWhat a high TSH result means, how free T4 shows whether the thyroid is underactive, common causes, why repeat tests matter and when to get urgent help.
- Low TSH: what it meansWhat a low TSH result means, how free T4 and free T3 show an overactive thyroid, other causes such as thyroid tablets, and which symptoms need urgent care.
Iron studies
Vitamins
- Low vitamin D level: what it meansWhat a low vitamin D (25-OH) level means in ng/mL and nmol/L, who is at risk, why calcium is checked too, and what your doctor may suggest next.
- Low vitamin B12: what your result meansWhat a low vitamin B12 result means, common causes such as diet and metformin, symptoms to watch for, and what your doctor may check next.
Inflammation
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Explains, doesn't diagnose
Plain-English meaning and questions for your doctor. Not medical advice.
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