Cell Count, Spinal Fluid

Method Name

Manual

Aliases

Cell Count, Spinal Fluid, Csf Cell Count, Cell Count - Csf

Specimen Required

the third tube in sequence. (See remarks)

Specimen Minimum Volume

0.5 mL of fluid

Specimen Stability Information

Transport immediately to the Laboratory. White blood cells in the fluid begin to deteriorate within 1 hour after collection.

Special Instructions

The CSF specimen is usually collected via lumbar puncture and submitted to the laboratory in 3 or 4 tubes labeled in the order in which they were taken from the puncture.

Tube #1 is used for Chemistry and Serology

Tube #2 is used for smear and culture (Microbiology)

Tube #3 is used for cell count/differential (Hematology)

Tube #4 (if provided) is used for send out tests

Performing Laboratory

As ordered. Turn around time is 4 hours.

Reference Values

See report.