Laboratory Services

Myoglobin, Serum

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Updated Test Information:

Test Description
Myoglobin, Serum
Test ID
MYGLS
General Information

Useful for assessing muscle damage from any cause

Specimen Type

Serum

Specimen Requirements

  • Preferred: Serum Gel (SST)

  • Acceptable: Red Top

Stability

  • Refrigerated (preferred): 14 days

  • Frozen: 14 days

Unacceptable Specimen Conditions

  • Gross hemolysis

  • Gross lipemia

  • Gross icterus

Limitations

  • Elevation is nonspecific for acute myocardial infarction. The test is of no value in this regard in the presence of renal failure, rhabdomyolysis, extensive trauma, acute peripheral vascular occlusion, or after seizures

  • Serum levels rise in renal insufficiency

  • In very rare cases, gammopathy, in particular type IgM (Waldenstrom macroglobulinemia), may cause unreliable results

  • Results are unreliable in lipemic serum; specimens that cannot be cleared by ultracentrifugation will be rejected

Methodology

Latex Particle-Enhanced Immunoturbidometric Assay

Estimated TAT

1-2 days

Testing Schedule

Monday-Sunday

Retention

7 days

CPT Code(s)

83874

Additional Information
Minimum Sample Volume

0.5 mL

Reference Range

≤ 90 mcg/L

Performing Lab

Mayo

LOINC Code(s)

2639-3