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Test Code SFGLU Glucose, CSF, LAB185



Performing Laboratory

St. Luke's Hospital Cedar Rapids

Specimen Requirements


Preferred: CSF fluid obtained from a spinal tap

Specimen Volume: 0.1 mL of spinal fluid in a screw-capped, sterile, vial.

Stability: Remaining cerebrospinal fluid specimens should be refrigerated or frozen.

Note: Maintain sterility and forward promptly.

Reference Values

0-10 years: 60-80 mg/dL

>10 years: 40-70 mg/dL

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding


Useful For

CSF glucose is altered by certain disease processes.  In bacterial meningitis, CSF glucose levels may be depressed to strikingly low values.  In viral meningitis glucose usually remains in the normal range.