Days Set Up
Daily, 24 hours
Analytic Time

2 hours

MiChart Code
Glucose, CSF
Soft Order Code

Test Updated:


Glucose, Spinal Fluid

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Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

Learn about how to properly label and where to ship specimens.

Order Kits and Supplies

MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

Visit our provider FAQ and learn about common questions to ordering tests.

Test Overview

Test Methodology

Hexokinase, NADH Endpoint

Test Usage

Differential diagnosis of meningitis and central nervous system diseases.

Reference Range

50 - 70 mg/dL (2.78-3.89 mmol/L), should be interpreted with simultaneous blood glucose. Critical value: <30 mg/dL or >300 mg/dL.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Onsite

Spinal fluid.

Collection Offsite

Collect spinal fluid; refrigerate.

Normal Volume
0.5 mL CSF
Minimum Volume
0.25 mL CSF

Billing Information

CPT Code
Pro Fee Code

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.