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.

Test Details
Days Set Up
Daily, 24 hours
Analytic Time

2 hours

Soft Order Code
GLCSF
MiChart Code
Glucose, CSF
Synonyms
  • Glucose, Spinal Fluid
  • CEREBROSPINAL FLUID GLUCOSE
  • GLCSF
Laboratory
Chemical Pathology
Section
Automation
STAT Availability

STAT requests for this test will be performed on a STAT basis (supervisory staff approval is not required).

Specimen Requirements
Collection Instructions

Collect spinal fluid; refrigerate.

Normal Volume
0.5 mL CSF
Minimum Volume
0.25 mL CSF
Billing
CPT Code
82945
Fee Code
22226
LOINC
2342-4
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