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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, which are the energy-producing parts of your cells. It helps evaluate conditions like autoimmune hepatitis or other inflammatory disorders.

Quick summary

["This screening may help identify potential autoimmune-related health concerns."]

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

Key facts at a glance

LOINC
63277-8
Short code
Mitochondria Ab Fld Ql IF
Synonyms
Mitochondria Ab Fld Ql IF
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
if
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

What This Test Measures

The test detects the presence of antibodies specific to mitochondrial proteins. These antibodies can be part of an immune response against your body’s own cells, often linked to certain liver or muscle disorders. The test may include multiple markers to assess different mitochondrial targets.

Why It Might Be Ordered

Your healthcare provider may recommend this test if you have symptoms like fatigue, unexplained liver issues, muscle weakness, or other signs of autoimmune disease. It can also be used as part of a broader evaluation for conditions like autoimmune hepatitis, myositis, or other connective tissue disorders.

Sample Collection and Preparation

A blood sample is typically collected from a vein in your arm. The blood is processed to separate the serum or plasma, which contains the antibodies being tested. This sample is then analyzed in a laboratory using immunoassay methods to detect the presence of mitochondrial antibodies.

What to Expect Before the Test

There are usually no special preparations needed for this test. You may be asked to fast for a few hours before the blood draw if your provider recommends it, but this is not always required. Avoid heavy exercise or strenuous activity on the day of the test.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Positive results for mitochondrial antibodies can suggest an autoimmune condition affecting organs like the liver, kidneys, or muscles. These antibodies may indicate inflammation or damage to these tissues. While not all positive results lead to a definitive diagnosis, they can guide further testing and treatment planning. Always discuss results with your healthcare provider to understand their implications for your specific situation.

Short name

Mitochondrial Antibody Screen

Frequently asked questions

What does a positive result mean?
A positive result means your blood contains antibodies targeting mitochondrial proteins. This may raise concerns about an autoimmune response, but it doesn’t always mean you have a specific condition. Your healthcare provider will review the results alongside your symptoms and other tests to determine next steps.
Will I need further testing if my results are positive?
Yes, further testing may be needed to confirm a diagnosis or identify the specific type of autoimmune condition. This could include additional blood tests, imaging, or other evaluations depending on your symptoms and provider’s recommendations.
Can lifestyle changes help if I have mitochondrial antibodies?
While mitochondrial antibodies themselves don’t directly cause symptoms, managing underlying autoimmune conditions often involves lifestyle adjustments like a balanced diet, stress reduction, and avoiding triggers that may worsen inflammation. Always follow your healthcare provider’s advice for personalized guidance.
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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