Body Fluid Cell Count and Differential


Sunquest Code:BFLD  
Epic Code:LAB210Epic Name:Cell Count with Differential Fluid
Synonyms:Fluid Analysis, Cell Count
Test Includes:Appearance, color, nucleated cells and differential.
Turnaround Time:Performed and reported 24 hours/day.
Special Instructions:Identify type of specimen on request form, e.g., bronchial lavage, cyst fluid, joint fluid, pericardial fluid, peritoneal dialysate, peritoneal fluid, pleural fluid, synovial fluid. Refer to Crystal Analysis, Synovial Fluid listing. For other body fluid types, contact the laboratory.


Collection Instructions

Specimen:Fluid
Optimal Volume:3 mL
Minimum\Peds Volume:Submit less if unable to obtain 1 mL
Container:Purple (EDTA) (Plastic leakproof container, sterile)
Causes for Rejection:Clotted specimen.


Processing and Shipping

Specimen Processing:Store at refrigerated temperature (preferred).
Shipping Instructions:Ship at refrigerated temperature (preferred). Must arrive within 24 hours.
Test Performed at or Referral Lab Hematology  (Fairview Range - FRMC, UMMC-East Bank, Fairview Lakes - FLMC, Fairview Ridges - FRH, Fairview Northland - FNMC, Fairview Southdale - FSH, UMMC/UMMCH-West Bank, Grand Itasca GICH)


Interpretive

Critical Range:Peritoneal dialysate greater than 100 TNC/uL
Reference Range:
Appearance: Color: Pale yellow to colorless. Clarity: Clear
Fluid Type Total Nucleated
Cell Count TNC/uL
 Differential
PMN
Pleural <1000 <25%
Pericardial <1000 <25%
Peritoneal <500 <25%
Synovial Fluid <200 <25%
Peritoneal Dialysate <50 <25%
Amniotic Fluid <100  
References: Kjeldsberg C, Knight J: Laboratory examination of cerebrospinal, seminal, serous, and synovial fluids. American Society of Clinical Pathologists, Chicago, 1993.
Use:Evaluation of cell counts on body fluids, e.g., Bronchial lavage, cyst fluid, joint fluid, pericardial fluid, peritoneal dialysate, peritoneal fluid, pleural fluid, or synovial fluid.


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