Hypertriglyceridemia Lactescent serum 2017-05-27T10:37:46Z The normal range for serum triglycerides can be taken to be 40 to 150 mg per dL (0.45 to 1.69 mmol per L). Lactescent serum can be seen with triglyceride levels of several thousand mg per dL. Milk-like serum Serum sample with a grossly white (milk-like, i.e., lactescent) appearance. This feature is indicative of an extremely elevated serum triglyceride level. Plasma lactescence