|Available:||Daily, 24 hours|
|Turnaround:||Routine: 3 hours; STAT 30 minutes|
|Container:||3 mL green top tube or green microtainer (sodium heparin); red top acceptable|
|Uses:||Elevations occur in gout, renal diseases with renal failure, dehydration, diuretic use, alcoholism, lead poisoning, lymphoma, leukemia, infectious mononucleosis, acute inflammatory states, acidosis. Elevated uric acid may also be the result of increased nucleic acid catabolism such as occurs in chemotherapy or radiation of tumors. High levels of uric acid occur in Lesch-Nyhan syndrome characterized by mental retardation, choreoathetosis, cerebralpalsy, and compulsive self-mutilation. Causes of low uric acid include Wilson's disease. Fanconi syndrome, obstructive biliary disease, and syndrome of inappropriate secretion of antidiuretic hormone.|
|Limitations:||drugs which may cause falsely elevated results ar theophylline, caffeine, and vitamin C.|
|Method:||Enzymatic biochromatic endpoint|
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