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Cell Count and Differential, Spinal Fluid
MessageNOTE: Specimen should be delivered to laboratory STAT. Performed in Hematology.
Test Code
CTDFSF
Alias/See Also
Pericardial Fluid - CTDFPC
Pleural Fluid - CTDFPL
Peritoneal Fluid - CTDFPT
Synovial Fluid - CTDFSY
Miscellaneous Fluids - CTDFBF Amniotic Fluid Paracentesis Thoracentesis
Pleural Fluid - CTDFPL
Peritoneal Fluid - CTDFPT
Synovial Fluid - CTDFSY
Miscellaneous Fluids - CTDFBF Amniotic Fluid Paracentesis Thoracentesis
Preferred Specimen
CSF tube
Minimum Volume
1.0mL of spinal fluid
Instructions
CSF tubes come in a set of 4 tubes. For lumbar or cistern puncture, tubes are numbered and must be collected in order. For shunt or EVD collection, a sterile collection container is used.
Specimen Stability
Ambient 1 - 2 hours
Refrigerated up to 24 hours
Do NOT freeze
Refrigerated up to 24 hours
Do NOT freeze
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Specimen unlabelled
Specimen frozen
Specimen contains large blood clot
Specimen frozen
Specimen contains large blood clot
Setup Schedule
Daily
Report Available
Less than 4 hours
Clinical Significance
The body fluid cell count and diff is a quantitative study of the leukocytes and erythrocytes found in various body fluids, to aid in the diagnosis and treatment of various diseases.
