UW Hospital and Clinics Lab Test Directory
| Test Name: |
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Scan for RBC Fragments
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| Test Code(s): |
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SCFRAG / HCSCFRAG
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| CPT Code(s): |
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85008
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| Test Description: |
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Included In: WBC and Differential, CBC with Differential
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| Methodology: |
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Manual Microscopy
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| Clinical Significance: |
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To document the presence of RBC fragments when a complete differential is not needed.
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| Days Performed: |
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Daily, 24 hours.
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| Turnaround Time: |
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Stat: 1 hour.
Routine: 4 hours.
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Specimen Requirements
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| Specimen: |
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Blood
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| Collection Container: |
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Preferred: K3EDTA-Lavender top
Also Acceptable:
K2EDTA-Lavender top
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| Collection Volume: |
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Preferred: 4 mL
Pediatrics: 1 mL
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| Sample Analyzed: |
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Whole Blood
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| Volume Required: |
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Preferred: 1 mL
Pediatrics: 0.25 mL in microtainer
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| Specimen Transport: |
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Transport specimen to UWHC Core Laboratory (B4/220). Transport specimen at ambient temperature.
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| Unacceptable Criteria: |
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Clotted specimens are not acceptable. Tubes with <25% of fill volume.
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| Stability: |
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Ambient: 8 hours
Refrigerated: Not acceptable
Frozen: Not acceptable
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Interpretation
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Interpretive Guidelines:
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A Wright-stained peripheral smear will be reviewed. Fragments will be reported as none seen, < 1, 1-5, 6-10, or > 10 per 100x oil field.
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RBC Fragments, Schistocytes, Schistocyte
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