Geisinger Medical Laboratories Test Catalog

GLUCOSE, CSF
Geisinger Epic Procedure Code: LAB2375 Geisinger Epic ID: 19442
SPECIMEN COLLECTION
Specimen type:	Cerebrospinal fluid
Preferred collection container:	Sterile screw-cap tube
Specimen required:	1 mL aliquot of CSF; minimum 0.2 mL.
SPECIMEN PROCESSING
Specimen processing instructions:	Deliver immediately to Chemistry Department
Transport temperature:	Refrigerated.
Specimen stability:	Sample should be processed as soon as possible.
TEST DETAILS
Reference interval:	45 - 70 mg/dL
Interpretation guide:	CSF glucose concentration should be ~60% of plasma/serum glucose value.
Critical values/courtesy alerts:	Below 40 mg/dL, above 200 mg/dL
CPT code(s):	82945
	Note: The billing party has sole responsibility for CPT coding. Any questions regarding coding should be directed to the payer being billed. The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:	Glucose.
Methodology:	Spectrophotometric (Colorimetric)
Synonyms:	GLUCSF, Spinal Fluid Glucose
Clinical significance:	CSF glucose is used to assess bacterial infection of CNS.
Doctoral Director(s:)	Hoi-Ying Elsie Yu, PhD, DABCC, FADLM Sheng-Ying (Margaret) Lo, PhD, DABCC
Review Date:	12/14/2022