3 mL (2 mL min.) Whole blood in 1 Lavender Top (EDTA) tube AND 2 mL (1 mL min.) Serum from 1 SST AND 10 mL (5 mL min.) aliquot of random Urine. Ship refrigerated. Overnight fasting is preferred.
Fever is an elevation of body temperature that exceeds the normal Daily variation and occurs in conjunction with an increase in hypthalamic set point. A fever of >106.7°F is called Hyperpyrexia which can develop in patients with severe infections and CNS hemorrhages. A variety of bacterial ; viral microorganisms can lead to fever. Other causes may be trauma, hemorrhage, tumors or intrinsic hypothalamic malfunction.