Neurological Conditions and Convulsive Disorders§ 4.124aUpdated
Rating criteria

VA Diagnostic Code 8105Chorea, Sydenham's

Rated from 10% to 100% under § 4.124a. Here is what the VA requires at each level.

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What each rating requires

The VA assigns the highest level your evidence actually supports. Read up the stack until your records stop matching.

  1. 100%

    Pronounced, progressive grave types

  2. 80%

    Severe

  3. 50%

    Moderately severe

  4. 30%

    Moderate

  5. 10%

    Mild

From the schedule

Notes on this code

These notes are part of the regulation. They change how the levels above are applied.

  • Note: Consider rheumatic etiology and complications.

Sydenham's Chorea (VA Diagnostic Code 8105)

Understanding Your VA Rating for Sydenham's Chorea

Sydenham's chorea is a neurological condition rated by the VA under Diagnostic Code 8105, found in 38 CFR § 4.124a. It falls within the VA's body system category for Neurological Conditions and Convulsive Disorders.

Available Rating Levels

The VA assigns a disability rating based on the severity of the condition. For Sydenham's chorea, the available rating levels are:

RatingSeverity Level
100%Pronounced, progressive grave types
80%Severe
50%Moderately severe
30%Moderate
10%Mild

What the VA Looks For

When rating Sydenham's chorea, the VA evaluates where your condition falls along this severity scale — from mild presentations at the lower end to pronounced, progressive grave types at the highest rating level.

The rating schedule also includes an important consideration:

Note: Consider rheumatic etiology and complications.

This means the VA takes into account any rheumatic cause behind the condition, as well as related complications, when evaluating your claim.


This information is provided for general educational purposes and is drawn directly from the VA rating schedule under 38 CFR § 4.124a. It is not legal advice, and individual rating decisions depend on your specific circumstances and evidence.

These criteria are a rendering of § 4.124a, diagnostic code 8105. The official version is the one that governs your rating.

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What next

How to claim this

Knowing the criteria is the first half. Getting your file to show them is the second.

  1. Find your level in the stack

    Read each rung against what your medical records already say. The level your records document today is the one the VA can support today.

  2. Name the gap

    Look at the rung above yours and write down exactly what it asks for that your file does not show yet — a diagnosis, a measurement, a prescribed brace, a doctor’s opinion linking it to service.

  3. Claim it by code

    File under diagnostic code 8105 and attach the evidence for the level you are asking for. Other Neurological Conditions and Convulsive Disorders codes may cover your secondary conditions.

Find out which rating your evidence supports.

Six reads your records against these exact criteria and tells you what the VA is still missing.

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