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Hair Manganese Concentration (Mass)

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

This test measures the amount of manganese present in a sample of your hair. Hair manganese testing is often used to assess long-term exposure to manganese, which can be important in certain health conditions.

Quick summary

["Hair manganese helps track manganese levels over time, useful for monitoring potential exposure risks."]

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

Key facts at a glance

LOINC
17244-5
Short code
Manganese Hair-mCnt
Synonyms
Manganese Hair-mCnt
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
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 This Test Might Be Ordered

Your healthcare provider may recommend this test if you have symptoms or conditions linked to manganese exposure, such as neurological issues, chronic fatigue, or unexplained metal toxicity. It may also be part of a broader evaluation for occupational or environmental exposure to heavy metals.

What to Expect Before the Test

No special preparation is needed for this test. You’ll provide a small sample of your hair, usually taken from the back of your head. The sample is collected by a healthcare professional or sent to a lab for analysis.

How the Test Works

Manganese is measured in your hair using a specialized laboratory technique that quantifies its mass concentration. Hair serves as a historical record of manganese intake, reflecting levels over months or years.

What the Results Mean

Results are typically reported as a concentration value (e.g., micrograms per gram of hair). While reference ranges vary by lab, elevated levels may suggest prolonged exposure to manganese, which can have health implications.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Hair manganese testing is useful for identifying chronic manganese exposure that may not be detected by blood tests alone. Elevated levels can be associated with neurological toxicity, respiratory issues, or other metal-related health concerns. It’s particularly valuable in cases of suspected occupational exposure or environmental contamination.

Short name

Hair Manganese

Frequently asked questions

How long does it take to get results from this test?
Results are usually available within 1 to 2 weeks after the sample is sent to the laboratory.
Can hair manganese levels change over time?
Yes, hair manganese reflects long-term exposure. Since hair grows continuously, new samples can provide updated information about recent exposure trends.
Is there any risk or discomfort associated with this test?
There is no discomfort involved. The sample is a small hair cut, typically painless and quick, with no downtime required.
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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