Myoglobin, UrineMain Content
Test Code: 661
Methodology: Fixed rate time nephelometry
Clinical Significance: The breakdown of skeletal muscle (rhabdomyolysis) releases myoglobin. Very high concentrations of myoglobin may increase the risk of acute renal failure.
Alternate Names: N/A
Supply#: U87 - Myoglobin Transport Tube
Preferred Specimen(s): Random urine submitted in a myoglobin transport tube
Preferred Volume: 4mL
Collection Instructions: Add exactly 4mL random urine to a myoglobin transport tube within one hour of collection. Freeze and ship frozen. Exactly 4mL of urine in the myoglobin transport tube is required to achieve the required pH of >8.0 more than 4mL of urine will lower the pH outside of acceptable range.
Note: Myoglobin in urine is very unstable unless the pH is between 8.0 and 9.0
COLLECT AND SHIP SPECIMENS MONDAY-THURSDAY ONLY
Transport Container: Myoglobin Transport Tube
Transport Temperature: Frozen
Specimen Stability: Frozen: 72 hours
Rejection Criteria: 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
For additional supply or collection device information, please contact DLO's Customer Service at (800) 891-2917, option 2.