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Urine Myoglobin
MessageCollect random or 24 hour urineImmediate Specimen Processing: Immediately after collection, transfer 4 mL maximum to the Myoglobin Transport tubeAmbulatory Transport Temperature to Inova Central Lab: FrozenSpecimen Stability: 30 days
Test Code
LAB412 MYOGU
Alias/See Also
MYOGU
CPT Codes
83874
Includes
Note: Myoglobin in urine is very unstable unless the pH is between 8.0 and 9.0 @BKRCERMSGREFRESH(2302793)@ @BKRCERMSGREFRESH(2302794)@
Instructions
Processing Instructions: Note: Myoglobin in urine is very unstable unless the pH is between 8.0 and 9.0 Thoroughly mix entire collection, then, perform one of the two processing options below: Option 1: Immediately after collection, transfer a maximum of 4 mL to a Myoglobin Transport Tube. Ship frozen. Option 2: Immediately after collection, adjust pH to 8-9 by adding 10 percent Na2CO3. Transfer 1 mL to a standard transport tube. Ship frozen.Preferred Testing Volume: 1.0 mL Urine Minimum Testing Volume: 0.5 mL Urine Transport Temperature: Frozen Stability: Ambient: 4 hoursRefrigerated : 72 Hours Frozen: 30 Days Causes for Rejection: More than 4 mL urine in Myoglobin Transport tubeSpecimen received room temperatureSpecimen received past stabilitypH <8.0Performing Lab: ARUP
Report Available
2-Days
Clinical Significance
1230170860
Last Updated: May 18, 2026