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Myoglobin Substance Concentration in Serum

Published: August 9, 2026Updated: August 16, 2026

This test measures the amount of myoglobin, a protein found in muscle cells, in your blood serum. Myoglobin helps release oxygen to muscles during exercise or injury.

Quick summary

["Myoglobin levels can indicate muscle damage or heart problems."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
108288-2
Short code
Endomysium IgM Ser-aCnc
Synonyms
Endomysium IgM Ser-aCnc
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
CPT
82784
Specimen volume
5 mL
Stability
Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
4–24 hours
Order
routine

Why Might This Test Be Ordered?

Your healthcare provider may order this test if you have symptoms like muscle pain, weakness, or unusual fatigue, especially after physical activity or trauma. It may also be used to evaluate conditions such as heart attacks, muscle injuries, or certain types of poisoning.

What Does an Abnormal Result Mean?

Elevated levels of myoglobin in the blood can signal muscle damage (myoglobinuria) or heart-related issues. However, results alone don’t diagnose a condition—your doctor will consider your symptoms, medical history, and other test results.

How Is This Test Performed?

A blood sample is drawn from a vein, usually in your arm. The serum portion is then analyzed using an immunoassay method to measure myoglobin concentration.

What Preparations Are Needed?

No special preparation is typically required, but avoid intense exercise or strenuous activity 24 hours before the test if you’re being evaluated for muscle injury.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance: Myoglobin plays a role in oxygen transport to muscles. Elevated levels can signal acute muscle injury, rhabdomyolysis (severe muscle breakdown), or conditions like heart attacks. High myoglobin can damage kidneys, so prompt medical attention is important if levels are elevated.

Short name

Myoglobin Serum Level

Frequently asked questions

How long does it take to get results from this test?
Results are usually available within 24 to 48 hours, depending on your lab’s processing schedule.
Can diet or medications affect myoglobin levels?
Dietary factors alone usually don’t significantly alter myoglobin levels, but certain medications (e.g., statins, some antibiotics) or supplements may indirectly influence muscle function. Always discuss your medications with your doctor.
Is this test painful?
The blood draw itself may cause mild discomfort or bruising, but the test itself is not painful. Most people tolerate it well, and the procedure takes only a few minutes.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy