AIR FORCE · JOB CODE 2A3X4
Fighter Aircraft Integrated Avionics Your military role & VA condition guide
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This guide brings together conditions associated with 2A3X4 (Fighter Aircraft Integrated Avionics). Start with a topic that relates to your experience, then follow its guide for more detail.
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Conditions are grouped by occupational exposures and physical demands. These are research connections, not statistics about claim frequency or approval.
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Conditions to explore.
Choose a body system, search for a condition, or open a preview. Each full guide explains its rating criteria and evidence in more detail.
8 of 8 conditions
Uveitis (Choroiditis/Iritis)
Uveitis is inflammation inside the eye that can cause redness, pain, and vision problems.
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Evidence covered in the guide
- Ophthalmology records dating each treatment visit, since the incapacitating-episode tiers are counted in visits over the past 12 months.
- Prescription history for corticosteroids, systemic immunosuppressants or biologic agents, which the formula's Note (2) names as qualifying treatment.
- Records of intravitreal or periocular injections, laser treatment or surgery, also named in Note (2).
Lumbosacral or Cervical Strain
A strain or sprain of the muscles and ligaments supporting the neck or lower back, causing pain, stiffness, and reduced range of motion — often from lifting, impact, or repetitive strain during service.
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Evidence covered in the guide
- C&P or orthopedic exam showing measured loss of range of motion, muscle spasm, or guarding
- Service treatment records documenting the in-service injury, incident, or repetitive strain
- Buddy statements or personnel records corroborating the in-service event (e.g., heavy lifting, vehicle accident, parachute jumps)
Scars With Underlying Soft Tissue Damage (Not of the Head, Face, or Neck)
DC 7801 covers burn scars, and scars from any other cause, that are not on the head, face, or neck and that are associated with underlying soft tissue damage. That association with the tissue beneath the scar is what places a scar under this code rather than DC 7802 — not how deep the scar looks and not whether it runs in a straight line. The rating is then set by area: how much of the body the qualifying scar or scars cover, starting at 6 square inches (39 sq. cm.).
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Evidence covered in the guide
- An exam or dermatology note giving the measured area of each scar in square inches or square centimeters.
- A finding in the record stating whether the scar is associated with underlying soft tissue damage, which is this code's threshold question.
- Operative, burn-unit, or wound-care records from the original injury describing what the wound involved beneath the skin.
Tinnitus
Tinnitus means you hear ringing, buzzing, or hissing in your ears even when there’s no sound.
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Evidence covered in the guide
- Consistent reports of tinnitus in VA exams
- History of military noise exposure (e.g., flight line, artillery)
- C&P exam confirmation
Dermatitis or Eczema
A chronic skin condition causing rashes, redness, itching, or flaking, often worsened by allergens or stress.
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Evidence covered in the guide
- Dermatology records with area measurement (percentage of body affected)
- Photos showing visible skin lesions
- Medication history (topical or oral corticosteroids, immunosuppressants)
Bronchiectasis
A condition where airways in the lungs become permanently widened, leading to mucus buildup and infections.
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Evidence covered in the guide
- A CT scan showing bronchial dilation, the imaging finding that confirms the diagnosis.
- Pulmonary function test (PFT) results.
- A documented history of antibiotic treatment for lung infections.
Bursitis
Bursitis is inflammation of a bursa — one of the fluid-filled sacs that cushion tendons and muscles where they pass over bone — most often at the shoulder, hip, elbow or knee, causing pain and painful, restricted motion. DC 5019 has no percentages of its own: it is rated as degenerative arthritis, on limitation of motion of the affected joint.
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Evidence covered in the guide
- Goniometer range-of-motion measurements, in degrees, for the affected joint — this is the only thing DC 5019 rates, and a compensable evaluation depends on comparing it against that joint's own diagnostic code.
- Examination findings recording objective painful motion, swelling or muscle spasm, which is the confirmation DC 5003 requires before the per-joint 10 percent can be assigned.
- Imaging (ultrasound or MRI) showing bursal thickening or effusion, and any aspiration or injection records, which establish the diagnosis.
Myositis
Myositis is inflammation of muscle, producing pain, swelling and weakness in the affected group. DC 5021 has no percentages of its own: it is rated as degenerative arthritis, on limitation of motion of the part the inflamed muscle moves.
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Evidence covered in the guide
- Goniometer range-of-motion measurements, in degrees, for the joint the affected muscle group moves — this is the only thing DC 5021 rates.
- Examination findings recording objective painful motion, swelling or spasm, which is the confirmation DC 5003 requires before the per-joint 10 percent can be assigned.
- Strength testing and documentation of functional loss on repeated use, which 38 CFR 4.40 treats as "as important as limitation of motion".
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A FEW HELPFUL ANSWERS
Questions about the 2A3X4 guide
What do the conditions in this guide represent?
They are conditions grouped with 2A3X4 (Fighter Aircraft Integrated Avionics) by the role’s occupational exposures and physical demands. Use them as a starting point for research. The list does not rank conditions by claim frequency or VA approval rates.
Where can I find rating levels and evidence guidance?
Open a condition preview for a quick look, or follow its guide link for the published rating criteria, an evidence checklist, and available exam guidance.
What if I served in more than one role?
You can explore a guide for each of your military jobs. Use the military job directory to search another code, job title, or branch, and keep notes on the experiences you want to discuss.
What if my condition is not listed here?
This is a curated starting point. The condition library has additional guides you can search by name, body system, or diagnostic code.
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