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HelpOrderable Name MYGLU Myoglobin, Random, Urine
Additional Codes
CNE Order Code: Myoglobin, U
Useful For
Confirming the presence of a myopathy
Specimen Type
UrineSpecimen Required
Supplies: Urine Myoglobin Transport Tube (T691)
Container/Tube: Plastic, 5-mL urine myoglobin transport tube
Specimen Volume: 4 mL
Collection Instructions:
1. Collect a preservative-free, random urine specimen.
2. If specimen is at ambient temperature, aliquot the urine to a urine myoglobin transport tube within 1 hour of collection. Refrigerate specimen.
3. If specimen is at refrigerate temperature, aliquot the urine to a urine myoglobin transport tube within 2 hours of collection.
Additional Information: Urinary myoglobin is highly unstable unless alkalinized with sodium carbonate preservative.
Specimen Minimum Volume
1 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Urine | Refrigerated | 7 days | MYOGLOBIN TRANSPORT TUBE |
Reference Values
0-24 mcg/L
Reference values have not been established for patients younger than 18 years; however myoglobin is not expected to be detectable in urine.
Day(s) Performed
Monday through Sunday
CPT Code Information
83874
Report Available
1 to 2 daysReject Due To
| Use of any transport tube other than urine myoglobin transport tube | Reject |
Method Name
Electrochemiluminescent Immunoassay (ECLIA)