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22665 Glucose, CSF

Glucose, CSF
Test Code: CSFGLU
Synonyms/Keywords
Spinal Fluid Glucose​
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
​No CSF​
CSF 1-4 Tubes​
 ​Sage Container 1 mL​ 0.3 mL​ ​
Specimen Stability Information
Specimen Type Temperature Time
CSF​ ​ ​ Ambient​ 2 hours​
​Refrigerate ​7-10 days
​Frozen ​7-10 days
Rejection Criteria
Specimens > 2 hrs old
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Diagnostic Treatment Center​ ​Monday through Sunday​ ​Less than 2 hours​ ​Photometric Bichromatic Endpoint/Siemens Dimension
​Flambeau Hospital ​Monday through Sunday​ ​Less than 2 hours​ ​Modified Hexokinase Method/Siemens Dimension
​Ladysmith Medical Center ​Monday through Sunday ​Less than 2 hours ​Modified Hexokinase Method/Siemens Dimension
​Lakeview Medical Center ​Monday through Sunday​ ​Less than 2 hours​ Modified Hexokinase Method/Siemens Dimension
Marshfield​ Monday through Sunday​ Less than 2 hours​ Hexokinase-UV/NAD Endpoint Assay/ Beckman AU
​Minocqua​Monday through Sunday​Less than 2 hours​Modified Hexokinase Method/ Siemens Dimension
​Neillsville​Monday through Sunday​​​Less than 2 hours​​Modified Hexokinase Method/Siemens Dimension
Reference Range Information
Performing Location Reference Range
All Performing Sites 40-70 mg/dL​
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
82945 ​ ​ ​ ​ ​
Synonyms/Keywords
Spinal Fluid Glucose​
Ordering Applications
Ordering Application Description
​Centricity

​a. Glucose

b. Glucose, CSF

​Cerner ​Glucose Cerebrospinal Fluid
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
​No CSF​
CSF 1-4 Tubes​
 ​Sage Container 1 mL​ 0.3 mL​ ​
Specimen Stability Information
Specimen Type Temperature Time
CSF​ ​ ​ Ambient​ 2 hours​
​Refrigerate ​7-10 days
​Frozen ​7-10 days
Rejection Criteria
Specimens > 2 hrs old
Reference Range Information
Performing Location Reference Range
All Performing Sites 40-70 mg/dL​
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Diagnostic Treatment Center​ ​Monday through Sunday​ ​Less than 2 hours​ ​Photometric Bichromatic Endpoint/Siemens Dimension
​Flambeau Hospital ​Monday through Sunday​ ​Less than 2 hours​ ​Modified Hexokinase Method/Siemens Dimension
​Ladysmith Medical Center ​Monday through Sunday ​Less than 2 hours ​Modified Hexokinase Method/Siemens Dimension
​Lakeview Medical Center ​Monday through Sunday​ ​Less than 2 hours​ Modified Hexokinase Method/Siemens Dimension
Marshfield​ Monday through Sunday​ Less than 2 hours​ Hexokinase-UV/NAD Endpoint Assay/ Beckman AU
​Minocqua​Monday through Sunday​Less than 2 hours​Modified Hexokinase Method/ Siemens Dimension
​Neillsville​Monday through Sunday​​​Less than 2 hours​​Modified Hexokinase Method/Siemens Dimension
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
82945 ​ ​ ​ ​ ​
For most current information refer to the Marshfield Laboratory online reference manual.