Protein, Total, CSF

Abbrev Code:CTP   
Order Code:LAB195Order Name:Protein Total CSF
Synonyms:Cerebrospinal Fluid, Protein; PTC
Methodology:Roche: Colorimetric
Vista: Biochromatic endpoint
Architect: Benzalkonium chloride
CPT Codes: 84157 x1, 84157 x1
Turnaround Time:Performed and reported 24 hours/day.
Associated Links:

Roche Go Live Schedule

Collection Instructions

Optimal Volume:1.25 mL
Minimum\Peds Volume:0.2 mL
Container:Sterile tube
Alternate Containers: Plastic leakproof container, sterile
Collection Instructions:Number tubes to indicate the sequence of collection. Transport to laboratory immediately.

Processing and Shipping

Specimen Processing:Centrifuge and aliquot 1.25 mL, 0.2 mL minimum. Store in refrigerator. Alternatively, freeze.
Shipping Instructions:Ship at refrigerated temperature.
Stability:Roche: 1 day at room temperature, 6 days refrigerated, >1 year frozen.
Vista: Blood present in CSF invalidates protein values. Store remaining CSF in refrigerator or freezer.
Test Performed at or Referral Lab Chemistry  (Roche-Grand Itasca, Roche-Lakes, Roche-Northland, Roche-Range, Roche-Ridges, Roche-Southdale, Roche-St. John's, Roche-UMMC East, UMMC/UMMCH-West Bank, Woodwinds)


Reference Range:
  Age mg/dL
Vista 0-30 d Less than 150
Vista 1-5 mo 30-100
Vista 6 mo & older 15-60
Architect All ages 15-45
Roche All ages 15-45
Use:Determine relationship between protein concentrations in CSF vs. serum.

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