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. Continue Reading.
Trauma definition, a body wound or shock produced by sudden physical injury, as from violence or accident. See more.
Trauma surgery A condition that is ââ¦the most extreme form of hemorrhage, with an initial blood loss of > 40% and ongoing bleeding which, if not surgically controlled, will lead to death.â See Salvage surgeryâtrauma, Staged surgery.