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
Statement B: This test was developed and its performance characteristics determined by ARUP Laboratories. The U.S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.
 
Note
 
CPT Code(s)
83874
Components
Component Test Code*Component Chart NameLOINC
0020223Myoglobin Urine2641-9
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Aliases
  • Urine myoglobin