| Test Name: |
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Glucose, CSF
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| Test Code(s): |
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CFGLUC / GM2740
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| CPT Code(s): |
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82945
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| Methodology: |
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Hexokinase
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| Days Performed: |
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Daily, 24 hours.
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| Turnaround Time: |
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Stat: 1 hour. All requests processed stat.
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Specimen Requirements
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| Specimen: |
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Cerebrospinal fluid (CSF) or ventricular fluid
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| Collection Instructions: |
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0.2 mL of CSF or ventricular fluid is sufficient volume for glucose, protein, and chloride.
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| Collection Container: |
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Preferred: Sterile screw cap container
Also Acceptable:
Red top
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| Collection Volume: |
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Preferred: 1 mL
Pediatrics: 0.3 mL
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| Sample Analyzed: |
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Cerebrospinal fluid (CSF) or ventricular fluid aliquot
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| Volume Required: |
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Preferred: 0.5 mL
Pediatrics: 0.1 mL
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| Specimen Processing: |
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Centrifuge. Transfer cell-free fluid to plastic vial. Refrigerate.
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| Specimen Transport: |
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Transport specimen to UWHC Core Laboratory (B4/220) immediately. Transport with coolant pack if coming from outreach location.
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| Unacceptable Criteria: |
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Specimens greater than 2 hours old when received by the laboratory are not acceptable.
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| Stability: |
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Ambient: 2 hours
Refrigerated: 2 hours
Frozen: okay if frozen within 2 hours
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Interpretation
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Expected Results:
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40-80% of serum glucose
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| Critical Calls: |
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View
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