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Mycoglobin Urine 661
Test CodeMYU
Alias/See Also
MYU
CPT Codes
83874
Preferred Specimen
Minimum: 4 mL urine submitted in a Myoglobin Transport tube
Minimum Volume
1
Instructions
4 ml random urine to a Mycoglobin Transport tube within one hour of collection
Transport Container
URINE
Transport Temperature
F
Specimen Stability
Room temperature: Unacceptable
Refrigerated: 72 hours
Frozen: 72 hours
Refrigerated: 72 hours
Frozen: 72 hours
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Specimen received in a non-Myoglobin Transport tube • More than 4 mL urine in Myoglobin Transport tube • Specimen received room temperature • Specimen received past stability • pH <8.0 • Timed urine
Methodology
Nephelometry
Setup Schedule
Set up: Mon-Sat evening; Report available: 1-2 days
Reference Range
<28 mcg/L
Clinical Significance
The breakdown of skeletal muscle (rhabdomyolysis) releases myoglobin. Very high concentrations of myoglobin may increase the risk of acute renal failure.
Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153