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Lab glossary

Normal lab values are different from lab to lab, depending on your age and gender.

Test What it is Normal range

Albumin

It is a protein made in your liver. This blood test checks how well your liver is working.

3.5 to 4.8 gm/100 ml

Alk P'tase (alkaline phosphatase)

It is an enzyme in your body. This blood test can help tell how well your liver is working.

40 to 120 mu/ml

AST(aspartate amino transferase)

It is an enzyme in your body. This blood test can help tell how well your heart, liver and kidneys are working.

5 to 45 mu/ml

Bicarbonate

It is a test that helps control the amount of acid in your blood. This blood test checks the acidity level of your blood.

22 to 32 mEq/liter

Bilirubin

It is made when red blood cells break down at the end of their life cycle. Your liver filters it out of your body. This blood test checks how well your liver is working.

0.0 to 1.5 mg/100 ml

BUN (blood urea nitrogen)

It is a waste product in your blood. Your kidneys filter it out of your body. This urine test checks how well your kidneys are working.

5 to 25 mg/100 ml

Calcium

It is needed for your muscles to tighten, heart to work, blood to clot, and nerves to work. This blood test checks the calcium level in your body.

8.5 to 10.5 mg/dl

Chloride

It is an electrolyte and works with sodium to influence your water balance. This blood test checks the chloride in your body.

95 to 111 mEq/liter

Cholesterol

It is a fat substance made in your body and found in certain foods. It is important for energy, making hormones, making bile acids and cells. High levels can cause clogged arteries and a higher risk of heart disease. This blood test checks the total cholesterol in your body.

110 to 199 mg/100 ml

CPK (creatinine phosphokinase)

It is an enzyme found in your heart, muscles and brain tissue. This blood test checks for heart and muscle injury.

47 to 220 IU/L

Creatinine

It is a waste product in your blood. Your kidneys filter it out of your body. This blood test checks how well your kidneys are working.

0.5 to 1.3 mg/dl

Creatinine clearance

This is a 24-hour urine test to check your creatinine level. This test checks how well your kidneys are working.

75 to 115 ml/min

Glucose

It is the energy source that helps your body cells to live. It is formed when your food digests (breaks down). Your body makes insulin to keep the glucose level in check. This blood test checks the glucose level in your body.

65 to 110 mg/dl

HDL (high density lipoprotein)

It is the "good" cholesterol that carries cholesterol from your blood to your liver. This blood test checks the HDL level in your body.

36 to 75 mg/100 ml

Hematocrit

Hematocrit means "to separate blood." This blood test tells the percentage of red blood cells in your blood.

38 to 50 percent

Hemoglobin

It is the main part of red blood cells. It helps deliver oxygen to your cells. This blood test measures your blood’s hemoglobin level.

Women: 12 to 15 g/100 ml

Men: 14 to 16.5 g/100 ml

INR (international normalized ratio)

It is a measure of your blood's clotting ability. This blood test checks how well your body responds to medicine like warfarin.

0.7 to 1.2

For anticoagulant therapy: 2.0 to 3.5

LD (lactic acid dehydrogenase)

It is an enzyme found in your kidneys, heart, brain liver, lungs and muscles. When any of these are injured, the lactic acid gets into your blood. This blood test measures the amount of lactic acid in your body.

90 to 225 mu/ml

LDL (low density lipoprotein)

It is the "bad" cholesterol that carries cholesterol to your body's cells. High levels of LDL can narrow blood vessels. This blood test checks the LDL level in your body.

60 to 130 mg/100 ml

Magnesium

It is a mineral you need for energy, to build proteins, help your muscles work, and help your blood clot. This blood test checks the magnesium level in your body.

1.8 to 2.6 mg/100 ml

Phosphorous

It is a mineral you need for bones and body cells to live and grow. This blood test checks the phosphorous level in your body.

2.4 to 4.7 mg/dl

Platelets

These blood cells are needed to help your blood clot. When levels are low, you can have bleeding that is difficult to stop. This blood test checks the level of platelets in your body.

140 to 440 thou/cu mm

Potassium

It is an element (electrolyte) that helps your heart maintain a regular heartbeat. Your kidneys control the amount of potassium in your blood. This blood test checks the level of potassium in your body.

65 to 110 mg/dl

Protein

It is important to keep your cells and muscles healthy. This blood test checks the level of protein in your body.

6 to 8 gm/100 ml

PSA (prostatic specific antigen)

It is a protein that is made by the prostate gland in men. When a man's prostate is enlarged or has prostate cancer, the PSA level can become high. This blood test checks the level of PSA in your body.

38 to 50 percent

Sodium

It is an element (electrolyte) that causes your body to hold (retain) fluid. Your kidneys control the amount of sodium in your blood. This blood test checks the level of sodium in your body.

135 to 145 mEq/liter

Triglycerides

It is a fat substance made in your liver. It is important for giving you energy. High levels can cause clogged arteries and a higher risk of heart disease. This blood test checks the triglyceride level in your body. It may mean you are having problems with your liver or pancreas.

40 to 199 mg/100 ml

THS (thyroid stimulating hormone)

This blood test is done to see how well your thyroid gland is working.

0.34 to 5.60 UIU/ml

Uric acid

It is a waste product in your blood. Your kidneys filter it out of your body. This urine test checks how well your kidneys are working.

2.5 to 8 mg/dl

White blood cell count

These blood cells help your body fight off infections. This blood test checks the level of white blood cells in your body.

4.5 to 11.0 thou/cu mm


 

Source: Allina Health's Patient Education Department, Care After Heart Transplant, cvs-ahc-95405 (4/13)

First published: 01/06/2013
Last updated: 01/06/2013

Reviewed by: Allina Health's Patient Education Department