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Test Code 131 Glucose Spinal Fluid (CSF)

Infectious

Additional Codes

ALAB: GLUCCSF

PowerChart: Glucose CSF

MA Cerner: CSF Glucose.

Test Method

MercyOne DBQ:

Timed Endpoint; Beckman DxC700AU

MA East and West:

Enzymatic Colorimetric Method; Roche Cobas 6000

Specimen Requirement

0.5 mL spinal fluid is required.

Additional Specimen Collection Information

Spinal fluid collected by a physician in a sterile containe. Label the specimen appropriately with two identifiers, patient name and another identifier, (patient ID number, DOB, etc.) include date and time of collection. Transport the specimen to the laboratory immediately after collection.

Centrifuge prior to analysis.

Performance

Testing is performed Monday through Sunday.

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

Expedite: Typically completed within 1 hour after the specimen arrives at the testing site.

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

Reference Values

< 1 Month: Reference values not established. Results are subject to interpretation by the clinician.

> 1 Month to Adult: 40-75 mg/dL

  • Critical value: <40 mg/dL

CPT Code Information

82945 Chemistry: Glucose, body fluid, other than blood

Useful For

Investigating possible central nervous system infection

LOINC Code Information

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