UW Hospital and Clinics Lab Test Directory
| Test Name: |
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Hemoglobin Screen, Urine
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| Test Code(s): |
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BBUS / HCBBUS
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| Test Description: |
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Test Component: Dipstick for presence of red blood cells/hemoglobin and microscopic viewing of red blood cells.
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| Methodology: |
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Automated Urine Chemistry and Microscopy Analyzer
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| Clinical Significance: |
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Used to screen for transfusion reactions.
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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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Random urine
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| Collection Instructions: |
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Indicate whether specimen is midstream, indwelling catheter, single catheter or other method of collection. Refrigerate if transportation to lab is delayed.
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| Collection Container: |
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Preferred: Sterile screw cap container
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| Collection Volume: |
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Preferred: 10 mL
Pediatrics: 3 mL
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| Sample Analyzed: |
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Urine aliquot
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| Volume Required: |
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Preferred: 10 mL
Pediatrics: 3 mL
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| Specimen Transport: |
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Transport specimen to UWHC Core Laboratory (B4/220)immediately. Transport with coolant pack if coming from outreach location.
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| Unacceptable Criteria: |
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Samples held at room temperature for more than 2 hours or samples refrigerated for more than 24 hours are not acceptable.
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| Stability: |
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Ambient: 2 hours
Refrigerated: 24 hours
Frozen: Not acceptable
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Interpretation
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Expected Results:
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Dipstick finding:
Hemoglobin: Negative
Microscopic finding:
RBC: 0-2/hpf
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| Additional Information: |
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Conversion and Sensitivity Chart Link
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Transfusion Reaction Screen, Urine
Transfusion Reaction Urine Screen
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