Feb 8, 2018




Clinical Hub,Tools & Resources,UWHC Lab Test Directory,Chemistry

Protein, CSF

Protein, CSF (GM2745) Chemistry Lab Test

Name: Protein, CSF

Test Name: Protein, CSF

Health Link Test Code: GM2745

LIS Test Code: CFP

CPT Code(s): 84157

Methodology: Benzethonium Chloride

Days Performed: Daily, 24 hours.

In-Lab Turnaround Time: 4 hours.

Stat In-Lab Turnaround Time: 1 hour.

Specimen: Cerebrospinal fluid (CSF) or ventricular fluid

Collection Container: Sterile screw cap container

Also Acceptable: Numbered specimen tube from sterile disposable lumbar puncture tray, Red top

Collection Instructions:

0.2 mL of CSF or ventricular fluid is sufficient volume for glucose and protein.

Stability Ambient:

1 day

Stability Refridgerated:

6 days

Stability Frozen:

1 year

Sample Analyzed: Cerebrospinal fluid (CSF) or ventricular fluid aliquot

Testing Volume: 0.5 mL

Pediatric Testing Volume: 0.1 mL

Specimen Processing:

Centrifuge. Transfer cell-free supernate to plastic vial. Refrigerate.

Specimen Transport:

Transport entire specimen to the laboratory immediately. Transport with coolant pack if coming from clinic location.


 0 days-5 days  40-120
6 days-29 days  20-80
 30 days and up  15-40
Lumbar 15-45


Refer to Tietz Textbook of Clinical Chemistry for more information about ventricular fluid protein.

Interpretation Type: Reference Interval

Effective Date of Reference Range: Mon, 10 Aug 2015 00:00:00 CDT