Myoglobin, Urine
Test Mnemonic
UMYO
CPT Codes
- 83874 - QTY (1)
LOINC ®
2641-9
Performing Laboratory
ARUP
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 4 mL | Urine, random | Clean container | Frozen | Thoroughly mix entire collection. Immediately after collection, transfer a maximum of 4 mL urine to an ARUP Standard Transport Tube prefilled with Sodium Carbonate (ARUP supply #48096). ARUP tubes are available through Client Services at 800-628-6816. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.5 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Frozen | pH 8-9: 1 month |
| Refrigerated | pH 8-9: 72 hours |
| Ambient | pH 8-9: 1 hour |
Days Performed
Sun - Sat
Turnaround Time
2 - 3 days
Methodology
| Name | Description |
|---|---|
| Electro Chemiluminescence Immunoassay (ECLIA) |
Reference Range
| Myoglobin, Urine | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Normal | 0 - 1 | mg/L |
Special Info
Thoroughly mix entire collection. Immediately after collection, transfer a maximum of 4 mL urine to an ARUP Standard Transport Tube prefilled with Sodium Carbonate (ARUP supply #48096). ARUP tubes are available through Client Services at 216-444-5755 or 800-628-6816.
Clinical Info
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.