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CERNER / EPIC MNEMONIC / POE DESCRIPTION / CPT CODE / DAYS PERFORMED / TURNAROUND TIME / SPECIAL INSTRUCTIONS / CONTAINER TYPE / SPECIMEN REQUIREMENTS / MINIMUM VOLUME / REFERENCE RANGE / TEST SYNONYM(S)

Glucose, Cerebrospinal Fluid (View in report form.)

CERNER / EPIC MNEMONIC: C/GLU
POE DESCRIPTION: CSF GLUCOSE
CPT CODE: 82945
DAYS PERFORMED: Specimen accepted daily, 24 hours
TURNAROUND TIME: 1 hour
SPECIAL INSTRUCTIONS: Specimen should be delivered as soon as possible in order to avoid a falsely decreased level due to cellular and bacterial utilization. If three tubes are available, tube #2 is used for this test. A request for a plasma glucose should be made at the time of the spinal tap to coincide with the CSF glucose.
CONTAINER TYPE:

CSF collection tubesRed top tube - 10 mLRed top tube - 4 mL

SPECIMEN REQUIREMENTS: Cerebrospinal fluid
MINIMUM VOLUME: 0.2 mL
REFERENCE RANGE: 45-70 mg/dL in fasting patients.  Should be interpreted with simultaneous blood glucose:  CSF glucose is usually 60% to 70% of blood glucose.
TEST SYNONYM(S):Cerebrospinal Fluid Glucose; CSF Glucose

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