|Alternate:||CSF Glucose; Cerebrospinal Fluid Glucose|
|Available:||Daily, 24 hours|
|Volume:||0.1 mL spinal fluid|
|Container:||Sterile spinal fluid collection tube|
|Temperature:||Must be delivered to lab within 30 minutes after collection.|
|Rejection:||In transport longer than 30 minutes, bloody tap.|
|Normal:||40-80 mg/dL (should be 60-70% of plasma glucose). CSF glucose should be run with simultaneous blood glucose.|
|Uses:||Differential diagnosis of meningitis and neurological disorders.|
|Limitations:||Falsely decreased results may be due to cellular or bacterial utilization if the test is not performed immediately. Visibly hemolyzed samples may give decreased results.|
|Method:||Biochromatic endpoint (NADP/NADPH)|
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