Green Plasma in Blood Donors

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Abstract
RECENTLY we have noticed that many plasmas in female blood donors have been extremely green. A green plasma in a unit of blood usually suggests the presence of a gram-negative cryophilic organism such as pseudomonas producing a green pigment that could cause shock if the unit were used, and these units should therefore be destroyed. The other cause for a green plasma is an elevation in ceruloplasmin, which is copper bound to alpha2 globulin and has a blue-green color. Elevated ceruloplasmin levels are found in pregnancy, after estrogen administration, and rheumatoid arthritis.1 , 2 Since the possibility existed that the green . . .