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Manganese Concentration (Serum or Plasma)

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

This test measures the amount of manganese, a mineral, in your blood. Manganese is important for healthy metabolism and bone development, but high levels can pose risks.

Quick summary

["Your blood manganese levels help assess potential exposure or toxicity from environmental sources."]

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

Key facts at a glance

LOINC
20875-1
Short code
Manganese Feed-mCnt
Synonyms
Manganese Feed-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 like muscle weakness, nerve damage, or liver issues, or if you’ve been exposed to manganese from industrial work, certain medications, or contaminated water.

What to Expect During the Test

A blood sample is drawn from a vein in your arm. You may feel a slight pinch, but it’s usually over quickly. The sample is sent to a lab for analysis.

Possible Causes of Abnormal Results

Low manganese levels may indicate malnutrition or certain medical conditions. High levels could suggest exposure to manganese from occupational hazards, supplements, or long-term use of certain medications.

What the Results Mean

Results are compared to standard reference ranges, but exact values can vary by lab. Your provider will discuss any deviations with you based on your health history.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance: Manganese Toxicity and Deficiency

Short name

Manganese Level

Frequently asked questions

What can I do if my manganese levels are high?
If elevated, your provider may recommend reducing exposure to manganese sources (e.g., avoiding certain jobs, checking water quality) and monitoring your health closely. Follow-up tests may be needed to track changes.
How often should I get this test?
The frequency depends on your risk factors. If you have no known exposure, this test may not be routine. Ask your provider how often to check based on your health status.
Are there any foods or supplements that affect manganese levels?
Some foods naturally contain manganese (e.g., nuts, whole grains), but dietary intake usually doesn’t cause significant changes in blood levels. Supplements or medications containing manganese can raise levels—always check with your provider before adding new supplements.
  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