Cerebrospinal Fluid

• Synonyms: CSF, ventricular tap, shunt fluid. 
• Performing lab: Cytopathology (N018); Ext: 4-1550 
• Availability: 8 a.m.-5 p.m. Monday-Friday
• Turnaround time: One to two working days. 
• Specimen type: Cerebrospinal fluid 
• Container: 5-15 mL container with tight-fitting lid
• Volume: 2-10 mL 
  • Minimum volume: 1 mL

Special instructions

• Bring to the laboratory as soon as possible and refrigerate.
• Indicate if lumbar or ventricular tap or shunt.

Storage information

• Immediate refrigeration. (N018 - available 24 hours)

Specimen transport requirements

• Cytologic specimens should be labeled with printed barcoded labels (Do not put label on tops)
• Placed in a biohazard bag and transported with the printed requisition to the Cytology Laboratory, N018
• Logged in and placed on the top shelf of the refrigerator

Causes for rejection

• Inadequate identification
• Improper fixation
• Specimen type not identified

More information

• Complete the Non-Gyn cytology order in Epic to include pertinent history, prior diagnostic/therapeutic procedures, X-ray, clinical findings and results of prior surgeries.
• Outreach facilities should use the preprinted “University Outreach Pathology Requisition” and submit with the sample.
• Indicate request for additional special stains or other procedures.
• Indicate if body fluid precautions are necessary.