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Mitochondrial Antibody Profile (Screening)

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

This test checks for antibodies that may indicate an autoimmune condition targeting your mitochondria, the energy-producing parts of your cells.

Quick summary

["A screen for mitochondrial antibodies may help diagnose certain autoimmune diseases affecting organs like the liver, kidneys, or heart."]

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

Key facts at a glance

LOINC
111378-6
Short code
Mitochondria Ab Msmt Ser
Synonyms
Mitochondria Ab Msmt Ser
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 fatigue, muscle weakness, or organ-related issues (e.g., liver or kidney problems) that could be linked to mitochondrial dysfunction. It’s also used in cases of unexplained autoimmune diseases or when other tests don’t explain your symptoms.

What to Expect Before the Test

No special preparation is needed. You’ll provide a blood sample, usually drawn from your arm. The test looks for specific antibodies in your serum (liquid part of blood).

What the Results Mean

Positive results suggest a higher likelihood of mitochondrial antibodies, which may point toward conditions like autoimmune hepatitis, autoimmune pancreatitis, or other organ-specific autoimmune diseases. Negative results mean no detectable antibodies in this test, but further evaluation may still be needed.

Common Conditions Linked to Positive Results

Positive findings may be associated with autoimmune diseases affecting organs like the liver (e.g., autoimmune hepatitis), kidneys, or heart. These conditions can cause inflammation and damage to these organs over time.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Mitochondrial antibodies can be part of a broader autoimmune picture, but they’re not definitive on their own. Your doctor will consider your symptoms, medical history, and other test results to guide diagnosis and treatment.

Short name

Mitochondrial Antibody Screen

Frequently asked questions

What does a positive mitochondrial antibody screen mean for my health?
A positive result may indicate an increased risk of autoimmune-related organ issues, but it doesn’t confirm a diagnosis. Your doctor will likely order additional tests or evaluations to explore possible conditions like autoimmune hepatitis or pancreatitis.
Will I need more tests if my screening is positive?
Yes, further testing may be needed, such as liver or kidney function tests, imaging studies, or other autoimmune antibody panels to narrow down the cause of your symptoms.
Can mitochondrial antibodies be treated?
Treatment depends on the underlying condition. If autoimmune-related, medications like corticosteroids or immunosuppressants may help manage symptoms and reduce organ damage. Lifestyle changes, such as diet and stress management, can also support overall health.
  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