University of Iowa
Diagnostic Laboratories
(UIDL) Test Directory

319-384-7212 (local)
1-866-844-2522 (toll free)


Body Fluid Cell Count and Differential Order Code: BFX
Order Form: Laboratory Requisition
Specimen:
Miscellaneous Body Fluids
Collection Medium:
Miscellaneous container; contact laboratory
Minimum:
1.0 mL
Testing
Schedule:
24 hrs/day, 7 days a week, including holidays.
Analytic Time:
3 hours (upon receipt in laboratory)
Comments:
Includes cell counts and total 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, and a composite group of 
monocytes-histocytes-macrophages mesothelials.  These slides are 
retained for approximately 2 months.
Methodology:
Count and Wright Stain
Sample
Processing:
Submit in leakproof container.
Specimen source is required on requisition for processing.
Do Not Centrifuge.
Sample
Storage:
Refrigerate.
Transport
Instructions:
Place specimen into zip-lock type bag, seal bag.
Place requisition into outside pocket of bag.
Transport in cooler with refrigerated coolant packs.
Instructions:
Synovial fluid specimens must be sent in an EDTA tube (lavender top) 
since they often clot.
CPT Code:
89051

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Updated: 08/25/2008