| Test Name: |
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Myoglobin, Urine
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| Test Code(s): |
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MYGB / GM1540
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| CPT Code(s): |
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83874
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| Methodology: |
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Ammonium Sulfate Precipitation
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| Clinical Significance: |
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Urine Myoglobin may be useful in suspected skeletal muscle injury or acute kidney failure without obvious cause. Urine Myoglobin is not useful for monitoring cardiac injury. For suspected cardiac injury see Troponin.
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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: 2 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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Urine specimen must be FRESH (less than 2 hours old).
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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: 10 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: 10 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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Specimens greater than 2 hours old when received by the laboratory are not acceptable.
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| Stability: |
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Ambient: 2 hours
Frozen: Not acceptable
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Interpretation
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Expected Results:
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Negative
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