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Body Fluid Hematocrit
MessagePerformed in the Hematology Laboratory x5475, 76
Test Code
BFHCT
CPT Codes
89051
Preferred Specimen
Body fluid (CSF, pleural, peritoneal, pericardial)
Minimum Volume
0.5 mL
Transport Container
3 mL Purple top (EDTA) to prevent clotting. Red top or sterile urine container are acceptable if the specimen is not clotted.
Transport Temperature
Room Temperature
Specimen Stability
4 hours at RT
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis or clotted sample
Methodology
Microhematocrit centrifuge or impedence cell counting
Setup Schedule
24/7
Limitations
Cannot be performed on wound or drain fluids. Results are erratic/erroneous due to the presence of lysed red cells and debris.
Reference Range
Not defined.
Clinical Significance
Spun hematocrit on grossly bloody body fluids; assess bleeding into body cavities or sites
