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CELL COUNT WITH DIFFERENTIAL, CSF
MessageNote: It is critical that CSF be tested within 1 hour of collection if maintained at room temperature. Specimen may be held an additional hour if maintained at 2-8°C. Up to 40% cell disintegration can occur after 60 minutes.
Test Code
CSFCC
CPT Codes
89051
Includes
Includes: WBC and RBC, with diff if > 10 WBCs
Preferred Specimen
Sterile Container
Instructions
Do not centrifuge; Refrigerate until testing.
Transport Temperature
Refrigerate
Specimen Stability
- 15-30°C up to 1 hour
- 2-8°C up to 2 hours
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Sample has been centrifuged; sample is grossly coagulated
Methodology
Hemocytometer
Setup Schedule
M, T, W, Th, F, Sa, Sun
Report Available
Same day tested at the performing laboratory.
Performed By
Alverno Laboratories
Performing Laboratory
Alverno Central Lab
NHM4 (Hematology, Miscellaneous)
Last Updated: June 8, 2023