UW Hospital and Clinics Lab Test Directory
| Test Name: |
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Nucleated Cell Count
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| Test Code(s): |
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TNCC / HCTNCC
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| CPT Code(s): |
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89050
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| Methodology: |
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Flow Cytometry
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| Clinical Significance: |
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Available on bone marrow transplant harvests only.
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| Days Performed: |
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Daily, 24 hours.
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| Turnaround Time: |
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Stat: Less than 1 hour.
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Specimen Requirements
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| Specimen: |
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Bone marrow aspirate
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| Collection Instructions: |
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Place specimen in a tube with no anticoagulants, or a lavender-top tube. DO NOT place specimen in a red-top tube as it contains clot activators.
NOTE: Lavender top tubes are NOT acceptable for testing in the Flow Cytometry Laboratory. If testing is required for both labs using one container, the container type of choice would be a clear, conical container with blue screw cap containing no anticoagulants.
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| Collection Container: |
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Preferred: See collection instructions.
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| Collection Volume: |
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Preferred: 2 mL
Pediatrics: 2 mL
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| Sample Analyzed: |
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Bone Marrow Aspirate
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| Volume Required: |
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Preferred: 2 mL
Pediatrics: 2 mL
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| Specimen Transport: |
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Transport specimen to UWHC Core Laboratory (B4/220) immediately.
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| Unacceptable Criteria: |
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Clotted samples or samples in red-top tubes (which contains a clot activator) are not acceptable.
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Interpretation
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