Glucose, CSF - UChicago Medicine Medical Laboratories

Specimen and Container/Tube

Cerebral Spinal Fluid (CSF)

Rejection Criteria

N/A

Turnaround Time

1 hour

Test Includes

N/A

Specimen Type

Cerebral Spinal Fluid (CSF)

Preferred Volume

0.5 mL

STAT Turnaround Time

1 hour

Critical Results

None

Test Limitations

Cerebrospinal fluid may be contaminated with bacteria and
often
contains other cellular constituents that can decrease glucose
in
vitro. CSF
samples for glucose should be
analzyed immediately to prevent contamination with bacteria.

Fee Code

43311

Container/Tube

Plastic Transport Tube

Specimen Minimum Volume

0.2 mL

Day(s) Performed

24 hours, 7 days a week including holidays

STAT DAY(S) AND TIME(S) PERFORMED

Avaliable

CPT

82945

Method Name

Spectrophotometric, Kinetic Endpoint

Reference Values

50 �?? 70 mg/dL

Reject Due To

N/A

Synonyms

N/A

Test Usage

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

Offsite Collection Instructions

1. Cerebrospinal fluid specimen obtained by clincal
procedures.
2. Aliquot specimen into transport tube and freeze.
2. Transport frozen on ice to laboratory.

UCMC Collection Instructions

1. Cerebrospinal fluid specimen obtained by clincal
procedures.
2. Cerebrospinal fluid must be sent to Laboratory Service
Center
Immediately for analysis.
3.Transport refrigerated (2 – 8C).

Additional Information

N/A

Stability: Room Temp

Specimen should be assayed immediately. If this is not possible,
aliquot, freeze and send to the lab as soon as possible for
testing.

Pediatric Volume