Myoglobin, Urine
0020223
Ordering Recommendation
 
Mnemonic
MYOG-U
Methodology
Quantitative Electrochemiluminescent Immunoassay
Performed
Sun-Sat
Reported
Within 24 hours  
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
Specimen Required
Patient Preparation
  
Collect
Random or 24-hour urine. Refrigerate during collection.  
Specimen Preparation
Mix well and adjust pH to 8-9 by adding 10% Na2CO3 (Myoglobin is unstable in urine, unless the pH is 8.0-9.0) immediately after collection. Transfer 1 mL aliquot from a random or 24-hour collection to an ARUP Standard Transport Tube. (Min: 0.5 mL)  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
  
Remarks
  
Stability
pH 8-9: Ambient: 1 hour; Refrigerated: 72 hours; Frozen: 1 month  
Reference Interval
0-1 mg/L  
Interpretive Data
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.

See Compliance Statement B: www.aruplab.com/CS  
Note
 
CPT Code(s)
83874
Components
Component Test Code*Component Chart Name
0020223Myoglobin Urine
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Aliases
  • Urine myoglobin