Sign in →

Test Code SFGLU Glucose Spinal Fluid (CSF) LAB185

Performing Laboratory

UnityPoint The Finley Hospital

Test Method

Enzymatic; Roche cobas Pro

Performance

Testing is performed Monday through Sunday.

Routine orders: Typically completed within 4 hours after the specimen arrives at the testing site.

STAT: Typically completed within 30 minutes after the specimen arrives at the testing site.

Specimen Requirement

0.5 mL spinal fluid is required.

Useful For

Glucose measurement in cerebrospinal fluid is used for evaluation of meningitis, neoplastic involvement of meninges and other neurological disorders.

Reference Values

40-75 mg/dL (all ages)


Note: CSF glucose concentration should be approximately 60% of the plasma/serum concentration and should be compared with concurrently measured plasma/serum glucose for adequate clinical interpretation.

 

Critical Value:
CSF: < 40 mg/dL (all ages)

CPT Code Information

82947 Chemistry: Glucose, quantitative, blood (except reagent
strip)

LOINC Code Information

2342-4 Glucose [Mass/Volume] In Cerebral Spinal Fluid