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www.reference.com/article/meaning-t-cell-count-db2671e5d46ecc53

T-cell count is the blood test that measures the number of the lymphocytes, a type of white blood cell in the human body. Since these cells work to fight off diseases, a low or high T-cell count means the immune system is compromised, notes Healthline.

www.reference.com/article/white-cell-count-8bcb39287a101a3d

A white blood cell count is a test that measures the number of white blood cells in the blood, according to MedlinePlus. The test is performed by taking a small blood sample from a vein. A normal white blood cell count ranges from 4,500 to 10,000 white blood cells per m...

www.reference.com/article/normal-t-cell-count-3a6303d80ce9c1

A normal T-cell count should be in the range of 500 to 1,000 T-cells per cubic millimeter of blood, according to Healthline. Higher or lower ranges may call for additional testing to determine a cause or diagnosis.

www.reference.com/article/normal-white-cell-count-dd96446a9cebf714

A normal white blood cell count ranges from 4,500 to 10,000 white blood cells per microliter of blood, according to MedlinePlus. Since the normal range may be somewhat different depending on the laboratory, measurements and samples used, it's best for patients to discus...

www.reference.com/article/causes-high-blood-cell-counts-dc38cb007937bf90

High blood cell counts can be a result of a condition that increases the bone marrow's production of white or red blood cells, according to Mayo Clinic. White blood cell production increases when the body needs to fight an infection or as a reaction to an immune system ...

www.reference.com/article/good-white-blood-cell-count-922405cc85c0b63b

When a person has a good white blood cell count, it means his body produces between 4,500 and 10,000 white blood cells per microliter, according to WebMD. White blood cells are used to protect the body against harmful organisms.

www.reference.com/article/considered-high-white-cell-count-76c2332a8fd71b65

In adults, a white blood cell count of over 11,000 white blood cells per microliter of blood is typically considered high, although normal ranges vary from practice to practice, states Mayo Clinic. The normal range is 4,500-10,000 white blood cells per microliter, accor...