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Test Code MYGLU Myoglobin, Random, Urine

Additional Codes

Torrance Memorial Laboratories Test Code:  286238041

Reporting Name

Myoglobin, Random, U

Useful For

Confirming the presence of a myopathy

Method Name

Electrochemiluminescent Immunoassay (ECLIA)

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Urine


Specimen 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 Stability Information

Specimen Type Temperature Time Special Container
Urine Refrigerated 7 days MYOGLOBIN TRANSPORT TUBE

Reject Due To

Use of any transport tube other than urine myoglobin transport tube Reject

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

Report Available

1 to 2 days

CPT Code Information

83874

LOINC Code Information

Test ID Test Order Name Order LOINC Value
MYGLU Myoglobin, Random, U 2641-9

 

Result ID Test Result Name Result LOINC Value
MYGLU Myoglobin, Random, U 2641-9

Test Classification

This test has been modified from the manufacturer's instructions. Its performance characteristics were determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.