ARMY · JOB CODE 13B
Cannon Crewmember Your military role & VA condition guide
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This guide brings together conditions associated with 13B (Cannon Crewmember). 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.
ALSO KNOWN AS
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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.
9 of 9 conditions
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
Sensorineural Hearing Loss
Hearing loss caused by damage to the inner ear or auditory nerve, making it hard to hear clearly or distinguish words.
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Evidence covered in the guide
- A VA-compliant audiogram including Maryland CNC speech discrimination testing, performed by a state-licensed audiologist without hearing aids.
- Evidence of in-service noise exposure, such as an MOS with a recognized high noise profile or documented acoustic trauma.
- Lay statements from coworkers or family describing communication difficulty.
Residuals of Traumatic Brain Injury (TBI)
TBI results from head trauma and can cause lasting issues with memory, mood, sleep, and decision-making.
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Evidence covered in the guide
- VA TBI screening and exam results
- Neurologist evaluations
- Neurocognitive tests (e.g., memory, attention)
Post-Traumatic Stress Disorder (PTSD)
PTSD is a mental health issue caused by a traumatic event, leading to flashbacks, anxiety, or nightmares.
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Evidence covered in the guide
- Formal PTSD diagnosis from a VA or private psychiatrist
- C&P exam results showing PTSD symptoms
- Buddy statements confirming trauma or symptoms
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)
Arm, Limitation of Motion
Difficulty or inability to raise the arm due to injury or joint damage.
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Evidence covered in the guide
- Range-of-motion test results specifically measuring how high the arm can be raised.
- Orthopedic evaluations documenting the underlying cause of the limitation.
Glaucoma
Glaucoma is a group of eye diseases in which pressure inside the eye damages the optic nerve, narrowing the field of vision over time. The VA schedule codes it in two forms — open-angle glaucoma (DC 6013) and angle-closure glaucoma (DC 6012) — and gives them word-for-word identical rating instructions.
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Evidence covered in the guide
- Optometry records tracking eye pressure and vision over time.
- Visual field tests measuring the extent of any vision loss.
- Ophthalmologist reports documenting the diagnosis and treatment plan.
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.
Muscle Group VI (Elbow Extensors)
Injury to the muscles that straighten the elbow — the triceps and the anconeus.
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Evidence covered in the guide
- An orthopedic specialist's report documenting the muscle injury.
- Functional use testing assessing strength and coordination.
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A FEW HELPFUL ANSWERS
Questions about the 13B guide
What do the conditions in this guide represent?
They are conditions grouped with 13B (Cannon Crewmember) 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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