Specimen:

CSF

Collection Medium:

Minimum:

1.0 ml; CSF

Testing Schedule:

24 hrs/day, 7 days a week, including holidays.

Analytic Time:

3 hours (upon receipt in laboratory)

Reference Range:

WBC Normals
  0-1 yrs    0-30/ul
  1-5 yrs    0-20/ul
  5-13 yrs   0-10/ul
  adult      0-5/ul

Comments:

Includes cell counts and nucleated cell differential if three or more 
cells are found.  The differential is based on the morphologic 
examination of a wright-stained cytospin preparation. The cells are 
reported as number per ul; erythrocytes, total nucleated cells, 
neutrophils, lymphocytes, eosinophils, and a composite group of 
monocytes-histocytes-macrophages.  These slides are retained for 
approximately 2 months.

Methodology:

Hemocytometer/Automated Count and Wright Stain

CPT Code:

89051