Myoglobin, Urine
Ordering Recommendation
New York DOH Approval Status
Specimen Required
Random or 24-hour urine. Refrigerate during collection.
Thoroughly mix entire collection, then, perform one of the two processing options below:
Option 1: Immediately after collection, adjust pH to 8-9 by adding 10 percent Na2CO3. Transfer 1 mL aliquot urine to an ARUP Standard Transport Tube. (Min: 0.5 mL)
Option 2: Immediately after collection, transfer a maximum of 4 mL urine to an ARUP Standard Transport Tube prefilled with Sodium Carbonate (ARUP)supply #48096). (Min: 0.5 mL) Available online through eSupply using ARUP Connect or contact ARUP Client Services at (800) 522-2787.
Refrigerated.
pH 8-9: Ambient: 4 hours; Refrigerated: 72 hours; Frozen: 1 month
Methodology
Quantitative Electrochemiluminescent Immunoassay
Performed
Sun-Sat
Reported
Within 24 hours
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.
This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.
Laboratory Developed Test (LDT)
Note
Hotline History
CPT Codes
83874
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
0020223 | Myoglobin Urine | 2641-9 |
Aliases
- Urine myoglobin