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Test Code CGL or LAB185 Glucose, CSF

Specimen Requirements

Container Type:

Sterile Vial: 
Optimal Collection Volume: 

5 mL
Minimum Volume:

0.5 mL
Collection Instructions:

Use aseptic aspiration technique
Specimen Transport:

Refrigerate
Processing Instructions: 

1. Pour off an aliquot from the sterile container

2. Spin the aliquot in a centrifuge

3. Deliver the aliquot to the chemistry department

Specimen Stability

Assay as soon as possible

Specimen Rejection Criteria

Quantity not sufficient

Useful For

Workup for possible central nervous system infection.

Methodology

Roche Cobas - Enzymatic with hexokinase

Reference Ranges

50-75 mg/dL

Interpretive

GLSF - Clinical & Interpretive: Glucose, Spinal Fluid (mayocliniclabs.com)

Day(s) Performed

24/7

Expected TAT

Same day

Performing Laboratory

Bronson Laboratory, Chemistry - Kalamazoo. Battle Creek, Paw Paw, South Haven

Sample Retention Time

7 days

CPT Code

82945

LOINC Code

2342-4