Lab Test : Glucose, Cerebrospinal Fluid

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Alternate:CSF Glucose; Cerebrospinal Fluid Glucose
Includes:Glucose
Department:Chemistry
Phone:(937) 641-3428
SQ Code:CGLU
Available:Daily, 24 hours
Turnaround:30 minutes
Specimen:Cerebrospinal fluid
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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