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Lead in Serum (Mass Concentration)

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

This test measures the amount of lead in your blood, an important check for exposure to this heavy metal that can affect your health.

Quick summary

["Lead exposure may cause developmental, neurological, or organ damage—especially in children or pregnant individuals."]

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

Key facts at a glance

LOINC
63172-1
Short code
M plumbeus IgG-mCnc
Synonyms
M plumbeus IgG-mCnc
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 This Test Matters

Lead is a toxic substance that can enter your body through contaminated food, water, dust, or certain industrial exposures. High levels can harm your nervous system, kidneys, and developing organs, particularly in children. This test helps identify if you’ve been exposed to unsafe amounts of lead in your environment or lifestyle.

How the Test Works

Your blood sample is analyzed using a specialized method to detect lead in your serum. The result is expressed in micrograms per deciliter (µg/dL) of blood.

What to Expect Before the Test

No special preparation is needed, but you may want to avoid certain medications (like some vitamins or supplements) that could interfere with results. If you’re pregnant, breastfeeding, or have a history of lead exposure, let your provider know before testing.

What the Results Mean

Results are compared to established reference ranges for lead levels in blood. Elevated levels may indicate exposure to lead sources, while normal levels suggest no significant risk. Your provider will discuss results in the context of your health history and symptoms.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Lead Level (Serum)

Frequently asked questions

How often should I get this test?
The frequency depends on your risk factors. Children, pregnant individuals, or those with occupational exposure to lead may need regular monitoring. Your healthcare provider will determine the best schedule for you.
What if my test results are high?
If your lead levels are elevated, your provider may recommend reducing exposure to lead sources (like certain hobbies, household products, or work environments) and follow-up testing. Treatment may include chelation therapy in severe cases.
Can I prevent lead exposure at home?
Yes! Avoid peeling old paint, using lead-based products (like some older cosmetics or glazes), and ensuring proper ventilation in areas with lead dust. If you suspect exposure, contact your healthcare provider or local health department for guidance.
  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