🔬 Lab Values Reference Chart

Comprehensive reference guide for common lab tests with normal ranges, units, and explanations. Search by test name or category.

Medical Disclaimer: Reference ranges may vary between laboratories. Always consult your healthcare provider for interpretation of your lab results. These values are for adults only; pediatric ranges differ.

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Showing 33 of 33 tests

Test Name(Abbreviation)	Category	Normal Range	Units	What It Measures
Red Blood Cell Count RBC	Complete Blood Count (CBC)	4.5-5.5	million/µL	Measures oxygen-carrying cells
Hemoglobin Hb	Complete Blood Count (CBC)	13.5-17.5	g/dL	Oxygen-carrying protein in blood
Hematocrit Hct	Complete Blood Count (CBC)	41-53	%	Percentage of blood volume that is RBCs
White Blood Cell Count WBC	Complete Blood Count (CBC)	4.5-11.0	thousand/µL	Immune system cells
Platelet Count PLT	Complete Blood Count (CBC)	150-450	thousand/µL	Blood clotting cells
Mean Corpuscular Volume MCV	Complete Blood Count (CBC)	80-100	fL	Average size of RBCs
Glucose (Fasting) GLU	Metabolic Panel	70-100	mg/dL	Blood sugar level
Creatinine Cr	Metabolic Panel	0.7-1.3	mg/dL	Kidney function marker
Blood Urea Nitrogen BUN	Metabolic Panel	7-20	mg/dL	Kidney function and protein metabolism
BUN/Creatinine Ratio BUN/Cr	Metabolic Panel	12-20	ratio	Kidney function assessment
Sodium Na	Metabolic Panel	136-145	mEq/L	Electrolyte balance and fluid status
Potassium K	Metabolic Panel	3.5-5.1	mEq/L	Electrolyte and heart function
Chloride Cl	Metabolic Panel	98-107	mEq/L	Electrolyte balance
Carbon Dioxide CO2	Metabolic Panel	23-29	mEq/L	Electrolyte and acid-base balance
Total Cholesterol TC	Lipid Panel	< 200	mg/dL	Overall cholesterol level
HDL Cholesterol HDL	Lipid Panel	≥ 40	mg/dL	"Good" cholesterol - protective
LDL Cholesterol LDL	Lipid Panel	< 100	mg/dL	"Bad" cholesterol - risk factor
Triglycerides TG	Lipid Panel	< 150	mg/dL	Type of fat in blood
VLDL Cholesterol VLDL	Lipid Panel	5-40	mg/dL	Very low-density lipoprotein
Thyroid Stimulating Hormone TSH	Thyroid Function	0.4-4.0	mIU/L	Thyroid function regulator
Free Thyroxine Free T4	Thyroid Function	0.8-1.8	ng/dL	Active thyroid hormone
Free Triiodothyronine Free T3	Thyroid Function	2.3-4.2	pg/mL	Active thyroid hormone
Thyroxine T4	Thyroid Function	4.6-12	µg/dL	Total thyroid hormone
Triiodothyronine T3	Thyroid Function	80-180	ng/dL	Total thyroid hormone
Alanine Aminotransferase ALT	Liver Function	7-56	U/L	Liver enzyme - liver damage marker
Aspartate Aminotransferase AST	Liver Function	10-40	U/L	Liver and muscle enzyme
Alkaline Phosphatase ALP	Liver Function	44-147	U/L	Liver and bone enzyme
Total Bilirubin TBIL	Liver Function	0.3-1.2	mg/dL	Liver function and bile duct
Albumin ALB	Liver Function	3.5-5.5	g/dL	Protein made by liver
Total Protein TP	Liver Function	6.0-8.3	g/dL	Total blood proteins
Glomerular Filtration Rate GFR	Kidney Function	≥ 60	mL/min	Kidney filtration rate
Microalbumin MA	Kidney Function	< 30	mg/g	Early kidney damage marker
Uric Acid UA	Kidney Function	3.4-7.0	mg/dL	Waste product from metabolism

Browse by Category

Complete Blood Count (CBC)

6 tests

Red Blood Cell Count, Hemoglobin, Hematocrit...

Kidney Function

3 tests

Glomerular Filtration Rate, Microalbumin, Uric Acid

Lipid Panel

5 tests

Total Cholesterol, HDL Cholesterol, LDL Cholesterol...

Liver Function

6 tests

Alanine Aminotransferase, Aspartate Aminotransferase, Alkaline Phosphatase...

Metabolic Panel

8 tests

Glucose (Fasting), Creatinine, Blood Urea Nitrogen...

Thyroid Function

5 tests

Thyroid Stimulating Hormone, Free Thyroxine, Free Triiodothyronine...

Understanding Your Lab Results

Important Notes

Normal ranges can vary between different laboratories due to testing methods and equipment. Always use the reference ranges provided on your own lab report.

When to Consult Your Doctor

Abnormal values may indicate various conditions or may be normal for you. Always discuss your results with a healthcare provider for proper interpretation.