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Myoglobin, Urine Turbidity Measurement

Published: August 9, 2026Updated: August 17, 2026

This test measures the presence of myoglobin in your urine, a protein released when muscle tissue is damaged.

Quick summary

["Myoglobin in urine can signal muscle injury or other conditions affecting muscle health."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 17, 2026Editorial policy

Key facts at a glance

LOINC
110570-9
Short code
Myoglobin Msmt Ur
Synonyms
Myoglobin Msmt Ur
Category
chemistry
Sample
urine
Container
Sterile urine container
Units
N/A
Ref low
0
Ref high
70
Critical range
— – 200 N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
CPT
83880
Specimen volume
10 mL
Stability
Room temperature: 2h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
0
Lipemia max
0
Icterus max
0
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 signs of kidney issues, or if you’ve experienced trauma, exercise-induced muscle damage, or conditions like rhabdomyolysis (severe muscle breakdown). It can also help assess muscle disorders or monitor certain treatments.

What Does a Positive Result Mean?

A positive result (detecting myoglobin in urine) may indicate recent muscle injury, such as from strenuous exercise, injury, or illness. High levels can also put stress on your kidneys, so follow-up testing or monitoring may be needed.

How Is This Test Performed?

A small urine sample is collected, and its turbidity (cloudiness) is measured to detect myoglobin. This is typically done as part of a routine urine test or in response to specific symptoms.

What Are Common Causes of Elevated Myoglobin?

Elevated myoglobin in urine can result from muscle damage caused by exercise, trauma, infections, or metabolic disorders. Rarely, it may occur in conditions like myoglobinuria (a medical emergency if untreated).

Reference range

Adult males: 20-70 μg/L; Females: 25-58 μg/LN/A

Specimen: urine

No special preparation required. Inform provider of any chest pain or symptoms.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance: Urine Myoglobin Testing

Short name

Urine Myoglobin

Frequently asked questions

Is myoglobin in urine always dangerous?
Not always. Mild elevations may occur with normal activity, but persistent or high levels can signal serious muscle breakdown or kidney strain. Your provider will interpret results in context with your symptoms and medical history.
Can I prevent muscle damage that might raise myoglobin levels?
Yes! Rest after intense exercise, stay hydrated, and avoid overexertion. If you suspect muscle injury, seek medical advice promptly, especially if symptoms worsen.
How long does it take to get results?
Results are usually available within 24 to 48 hours, depending on lab processing times. Your provider will discuss findings with you during your follow-up visit.
  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 17, 2026. · Read our editorial policy