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What does "Gran" mean in blood test results?

Medically reviewed by Last updated on Nov 23, 2020.

Official Answer


Gran is short for granulocyte.
The White Blood Count (WBC) in a blood test result is broken down into Granulocytes (GRAN) and Lymphocytes (LYM). White blood cells are part of the immune system. An elevated level of granulocytes is indicative of a bacterial infection. Viral infections can cause low lymphocyte counts.

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