Cell Count And Differential, Cerebral Spinal Fluid
Orderable EAP code:
Billable EAP Codes:
CPT Codes:
Lab Section:
Turnaround Time:
Routine: 4 Hours
Urgent: 2 Hours
Test Schedule:
24 hours, 7 days a week.
Critical Values:
Adults: WBC greater than or equal to 20/cu mm; Intracellular Bacterial; Malignant Cells; Atypical Cells if no previous.
Neonates: greater than or equal to 30/cu mm: Intracellular Bacterial; Malignant Cells; Atypical Cells if no previous.
Specimen Requirements:
2 mL CSF in a CSF vial.
Pediatric Specimen Requirements:
0.5 mL CSF in a CSF vial or sterile container.
Reference Range:
Adults: WBC 0 to 5/cu mm
Neonates (younger than 60 days): WBC 0 to 29/cu mm
Comments:
Cell counts will be attempted on all fluids sent. However, specimen volume and quality may affect or prevent testing (i.e. specimens with small clots will be tested and results reported with a disclaimer that results may be affected, but specimens that are fully clotted cannot be counted).
CSF and body fluid specimens should be examined within 1 hour of collection; if it can't be examined within 1 hour, refrigerate. Stable for 8 hours at 2 to 8 C (although there can be cell deterioration).
Synonyms:
CSF, Cell Count and Differential, CSF