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Most Predominant Heavy Metal Biomarker Profile (Serum/Plasma)

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

This test measures the most abundant heavy metals found in your blood, helping identify potential exposure or toxicity from metals like lead, mercury, or arsenic.

Quick summary

["Assesses heavy metal levels to guide prevention or management of metal-related health risks."]

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

Key facts at a glance

LOINC
64117-5
Short code
Most predominant Hb DBS
Synonyms
Most predominant Hb DBS
Category
hematology
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 fatigue, nausea, neurological concerns, or a history of occupational exposure to heavy metals. It can also be part of a broader evaluation for conditions like metal poisoning or metal-related organ damage.

What to Expect Before the Test

No special preparation is needed. You’ll provide a blood sample, typically drawn from your arm. If you’re on certain medications, let your provider know, as they may affect results.

What the Results Mean

Results show the relative concentration of the most common heavy metals detected in your blood. Elevated levels may suggest exposure or toxicity, while normal levels indicate no significant risk. Interpretation depends on clinical context and symptoms.

Common Heavy Metals Monitored

This test focuses on the most prevalent metals found in blood, such as lead, mercury, arsenic, or cadmium, depending on the analytical method used. Each metal has unique health implications, so results are reviewed in combination with your medical history.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

Heavy Metal Screening (Serum/Plasma)

Frequently asked questions

How can heavy metal exposure affect my health?
Heavy metals can accumulate in your body over time and may cause damage to organs like the kidneys, liver, or nervous system. Chronic exposure can lead to long-term health issues, including neurological problems, cardiovascular risks, or developmental concerns in children.
What should I do if my test results are elevated?
If your results show elevated levels of heavy metals, your healthcare provider will discuss next steps, which may include reducing exposure, adjusting medications, or recommending further testing or treatments tailored to your situation.
Can I prevent heavy metal exposure at home?
Yes! Reduce exposure by using filtered water, avoiding contaminated foods, and limiting contact with old paint or batteries. If you work in a high-risk environment, follow safety protocols and wear protective gear as needed.
  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