a thorough laboratory evaluation including complete blood count , erythrocyte sedimentation rate , electrolytes , blood urea nitrogen and blood sugar , liver and thyroid tests , calcium and phosphorus levels , b12 and folate levels , serum copper and ceruloplasmin , vdrl , chest x-ray , electrocardiogram , and lumbar puncture may demonstrate treatable disorders that are adversely affecting intellectual function .
C1176468
erythrocyte sedimentation rate
C0022885
tests