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Myoglobin, Urine : 1001826
Test CodeMYOGU : 1001826
CPT Codes
83874
Preferred Specimen
Random Urine in a Myoglobin Transport tube.
Instructions
Immediately after collection of a Random urine, transfer 4 mL urine into a Myoglobin Transport Tube (containing Sodium Carbonate). The Myoglobin Transport tube is available through med fusion Client supply. Freeze the filled Myoglobin transport tube immediately.
4 mL of urine is required to achieve the required pH of urine. More than 4 mL of urine will lower the pH outside acceptable range.
Note: Myoglobin in urine is very unstable unless the pH is between 8.0-9.0
4 mL of urine is required to achieve the required pH of urine. More than 4 mL of urine will lower the pH outside acceptable range.
Note: Myoglobin in urine is very unstable unless the pH is between 8.0-9.0
Transport Container
4 mL Random urine submitted in a myoglobin transport tube.
Transport Temperature
Frozen.
Specimen Stability
Preserved urine: Room temperature: 1 hour; Refrigerated: 72 hours; Frozen: 1 month
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Not received in a Myoglobin Transport Tube; Received room temperature; Received past stabilty; Timed Urine; More than 4 mL urine in Myoglobin Transport tube; pH <8.0
Methodology
Quantitative Electrochemiluminescent Immunoassay
Setup Schedule
Sunday - Saturday at performing Laboratory
Report Available
Within 24 hours (From receipt at performing laboratory)
Reference Range
0-1 mg/L
Clinical Significance
Patients with urine myoglobin greater than 15 mg/L are at risk of acute renal failure. Usual results are less than 1 mg/L. Results between 1 and 15 mg/L are associated with vigorous exercise, myocardial infarct, mild muscle injury, and other conditions.
Performing Laboratory
ARUP Laboratories
