|Values are valid only on day of printing.|
Container/Tube: Plastic, 10-mL urine myoglobin transport tube (Supply T691)
Specimen Volume: 5 mL
1. Collect a preservative-free, random urine specimen.
2. If specimen is at ambient temperature, aliquot the urine to a urine myoglobin transport tube (Supply T691) within 1 hour of collection. Refrigerate specimen.
3. If specimen is refrigerate, aliquot the urine to a urine myoglobin transport tube (Supply T691) within 2 hours of collection.
Additional Information: Urinary myoglobin is highly unstable unless alkalinized with Na2CO3 preservative. Even with alkalinization, myoglobin deterioration is variable and specimen dependent (approximate averages of 10% at 1 day, 20% at 3 days, and 30% at 7 days).
Use of any transport tube other than urine myoglobin transport tube (T691)