What Does "LY" Stand for in a Blood Test Lab Result?

By Staff WriterLast Updated Apr 13, 2020 11:53:25 PM ET
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According to the Hormone-Refractory Prostate Cancer Association, "LY" on a blood test stands for lymphocytes. The number in the results represents the percentage of lymphocytes in the white blood count. Lymphocytes should count for 15 to 46.8 percent of white blood cells.