- YCCT
CSF Cell Count and Differential
Specimen:
Test Code
YCCT
Specimen Name
CSF Cell Count and Differential
Collect
Sterile Container
Submit
1 mL (Min: 1 mL) CSF Refrigerated
Special Handling
Needs to be received at RPS testing laboratory as soon as possible. Must be sent to PSPC same day as collected.
Cerebrospinal fluid from lumbar puncture should be submitted to the laboratory in four tubes, labeled as 1,2,3 and 4.
Routinely performed on Tube 4 (or last tube collected). If cell counts are required on Tube 1, additional orders requesting this are required. If RBCs are <2000/uL in tube 4 or last collected tube, counts will not be performed on Tube 1 per protocol.
Cerebrospinal fluid from lumbar puncture should be submitted to the laboratory in four tubes, labeled as 1,2,3 and 4.
Routinely performed on Tube 4 (or last tube collected). If cell counts are required on Tube 1, additional orders requesting this are required. If RBCs are <2000/uL in tube 4 or last collected tube, counts will not be performed on Tube 1 per protocol.
Rejection Criteria
Syringe with needle attached. Non-sterile or leaking containers. Do not use blood collection tubes of any type. Gel separators and clot activators in blood collection tubes will interfere with CSF testing.
Stability
Ambient 30 minutes; Refrigerated 2 hours; Frozen Unacceptable
Methodology
Manual hemocytometer
Sysmex XN 9000 Series
Cytocentrifuge slide for Wright stained differential
Performed
Sunday - Saturday
Reported
1-2 days
CPT Codes
- 89051
Components
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Additional Information
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How to Label Your Sample
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Common Test Phrases
- Label Your Test 1
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Common Lab Definitions
- Serum
- Plasma
- STT