Glucose, CSF

Test Code

CFGLU

Alias/See Also

Epic: LAB185

Preferred Specimen

Specimen Type: Spinal fluid
Collection Container: Sterile container
Specimen Volume: 3.5 mL

Minimum Volume

0.10 mL

Instructions

Additional Information: CSF should always be processed immediately to avoid decreased glucose results caused by cellular metabolism present in the sample

Transport Container

Sterile container

Specimen Stability

Room temperature: 3 days
Refrigerated: >1 month
Frozen: Not defined

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Unlabeled, mislabeled, wrong tube type, QNS, hemolyzed.

Methodology

Hexokinase / G-6-PDH

Setup Schedule

Daily

Report Available

Same day

Reference Range

0 - 18 years	45 - 80 mg/dL
>18 - 150 years	40 - 70 mg/dL

Performing Laboratory
Inova Laboratories
2832 Juniper Street
Fairfax, VA 22031

Last Updated: March 6, 2023
Last Review: N. Wolford, March 6, 2023

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.