IgG B. afzelii

Serum

Optimal Result: 0 - 0.81 index.

Immunoserology of Lyme Immunosciences Lab, Inc.

From Healthmatters.io Team

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IgG Borrelia afzelii

The IgG Borrelia afzelii test measures antibodies against Borrelia afzelii, one of the main bacterial species that cause Lyme disease in Europe and Asia. Unlike Borrelia burgdorferi (more common in North America), B. afzelii is especially associated with chronic skin forms of Lyme disease, such as acrodermatitis chronica atrophicans (ACA).

What IgG B. afzelii Means

IgG antibodies generally appear weeks to months after infection and often persist long-term, even after treatment.
A positive IgG B. afzelii result suggests past exposure or ongoing immune memory to the bacteria, which may help clinicians determine whether symptoms are linked to later or chronic stages of Lyme disease.
In contrast, IgM antibodies are more indicative of recent infection, so IgG testing provides a complementary view of the immune timeline.

Clinical Importance

Testing for IgG B. afzelii can be helpful in patients with:

Persistent or late-stage Lyme symptoms, particularly skin changes such as ACA
Neurological or musculoskeletal issues suspected to be related to European Lyme disease strains
A history of tick exposure in endemic regions of Europe or Asia

Patient Takeaway

A positive IgG B. afzelii result indicates that your immune system has previously recognized this strain of Borrelia. This does not always mean there is an active infection, since IgG can remain detectable for years. Your healthcare provider will interpret the result in the context of your symptoms, exposure history, and other Lyme disease tests.

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IgG B. afzelii

IgG Borrelia afzelii

What IgG B. afzelii Means

Clinical Importance

Patient Takeaway

All Your Lab Results. One Simple Dashboard.

All Your Lab Results. One Simple Dashboard.

Import, Track, and Share Your Lab Results Easily

Import, Track, and Share Your Lab Results

Article Review & Sources

Bring All Your Lab Results Together — In One Place

Gather Your Lab History — and Finally Make Sense of It

Finally, Your Lab Results Organized and Clear

Advanced Plan

Unlimited Account

Pro Monthly

What's included in a Healthmatters membership

Import Lab Results from Any Source

See Your Health Timeline

Understand What Your Results Mean

Enter Your Lab Reports Yourself — Always Free Enter Your Lab Reports — Always Free

Visualize Your Results

Export Your Complete Lab History in a Single File Export Your Complete Lab History

Comprehensive Data Entry Service for Your Reports Data Entry Service for Your Reports

Securely Share With Anyone You Trust

Let Your Lab Results Tell the Full Story

Once your results are in one place, see the bigger picture — track trends over time, compare data side by side, export your full history, and share securely with anyone you trust.

Bring all your results together to compare, track progress, export your history, and share securely.

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All Your Lab Results.
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