Peripheral Neuropathy and VA Disability: Ratings, Symptoms, and How to Prove Your Claim

Peripheral neuropathy is one of the most common nerve conditions affecting former military service members, and one of the most frequent complications of service-connected Type 2 diabetes. Veterans living with it may be eligible for VA disability ratings ranging from 10% to 80%, with higher combined ratings when multiple limbs are involved.

What Is Peripheral Neuropathy and How Does It Affect Veterans?

Peripheral neuropathy is damage to the peripheral nerves, the network of nerves that carry signals between the brain and spinal cord and the rest of the body. The damage can affect motor function, sensation, or both, and most often shows up first in the hands and feet. Veterans typically describe it as pain, burning, tingling, and numbness in the hands, feet, arms, and legs, often progressing over time.

Peripheral neuropathy is generally divided into two broad patterns. Mononeuropathy is damage to a single peripheral nerve, often caused by physical injury, prolonged pressure, or repetitive motions. Carpal tunnel is a common type of mononeuropathy caused by overuse strain on the nerve that passes through an individual’s wrist.

Polyneuropathy is damage to multiple peripheral nerves throughout the body. It makes up the greatest number of peripheral neuropathy cases. Polyneuropathy has a wide variety of causes which include diabetes and exposure to toxins such as Agent Orange or volatile organic compounds.

Types of Peripheral Neuropathy Rated by the VA

Beyond the mononeuropathy versus polyneuropathy split, peripheral neuropathy is often classified by which part of the nervous system is involved. The VA rates each type under different rules. The most common categories include:

• Peripheral (sensorimotor) neuropathy. The most common form, affecting extremities. It is rated under the diagnostic codes for peripheral nerves.
• Autonomic neuropathy. Affects the autonomic nervous system and internal organ function, producing symptoms such as gastroparesis, neurogenic bladder, orthostatic hypotension, and erectile dysfunction. These manifestations are typically rated under the diagnostic codes for the affected organ system rather than the peripheral nerve codes.
• Proximal neuropathy (diabetic amyotrophy). Affects the hips, buttocks, and thighs, often with pain and weakness in the proximal leg muscles. It can be rated under the femoral nerve code (DC 8526) or, where appropriate, under the diagnostic code that best matches the predominant impairment.
• Focal (mononeuropathy) neuropathy. Targets a specific nerve or nerve group rather than spreading symmetrically. Diabetic third-nerve palsy and isolated peroneal neuropathy are common examples. Each is rated under the diagnostic code for the affected nerve.

How the VA Rates Peripheral Neuropathy

The VA rates peripheral neuropathy (including diabetic neuropathy) using diagnostic codes and criteria for the specific nerves affected, under 38 CFR 4.124a. Each affected limb is rated separately based on which nerve is involved and how severe the impairment is (mild, moderate, moderately severe, severe, or complete paralysis).

VA Ratings for Lower-Extremity Neuropathy

Peripheral neuropathy of the legs is most commonly rated as paralysis of the sciatic nerve under Diagnostic Code 8520. Sciatic-nerve ratings range from 10% for mild incomplete paralysis up to 80% for complete paralysis, with each leg rated separately:

Rating	Criteria (DC 8520, Sciatic Nerve)
80%	Complete paralysis; the foot dangles and drops, no active movement possible of muscles below the knee, flexion of knee weakened or (very rarely) lost
60%	Severe incomplete paralysis, with marked muscular atrophy
40%	Moderately severe incomplete paralysis
20%	Moderate incomplete paralysis
10%	Mild incomplete paralysis

Other nerves in the lower extremities are evaluated using diagnostic codes from 8521 to 8530. Depending on which nerve branches are affected, neuropathy can be rated at 10% or more for each limb.

• 10% or 0% for the ilio-sanguinal, external cutaneous, obturator and internal saphenous nerves
• Up to 30% for diagnostic codes such 8522 (musculocutaneous nerve) and 8525 (posterior tibial nerve)
• Up to 40% for DC 8521 (external popliteal/common peroneal nerve) and DC 8526 (anterior crural/femoral nerve)

Diagnostic Code	Nerve	Mild	Moderate	Severe	Complete
8521	Common peroneal (external popliteal)	10%	20%	30%	40%
8525	Posterior tibial	10%	10%	20%	30%
8526	Femoral (anterior crural)	10%	20%	30%	40%

VA Ratings for Upper-Extremity Neuropathy

When neuropathy reaches the upper extremities, the VA rates each arm separately under the diagnostic code for the affected nerve: DC 8515 (median nerve), DC 8516 (ulnar nerve), DC 8514 (musculospiral/radial nerve), DC 8510, 8511, 8512, or 8513.

Upper-extremity ratings vary depending on whether the affected side is the major (dominant) or minor extremity. For example, complete paralysis of the median nerve is rated 70% on the major side and 60% on the minor side, while mild incomplete paralysis is 10% on either side.

Peripheral Neuropathy Ratings for Major and Minor Arms

Diagnostic Code	Nerve	Mild	Moderate	Severe	Complete
8515	Median	10% / 10%	30% / 20%	50% / 40%	70% / 60%
8516	Ulnar	10% / 10%	30% / 20%	40% / 30%	60% / 50%
8514	Radial (musculospiral)	20% / 20%	30% / 20%	50% / 40%	70% / 60%

Combined Ratings and the Bilateral Factor

Limb ratings are combined using the VA combined ratings formula. When both legs or both arms are rated, the VA also applies the bilateral factor (an extra 10% of the combined value of paired-limb ratings, added because injury to both sides of the body is more disabling than the same injury on one side).

The Hill & Ponton VA disability calculator can help estimate the combined rating across diabetes, peripheral neuropathy on each side, and any other service-connected conditions.

Diabetic Neuropathy vs. Peripheral Neuropathy

What Is Diabetic Neuropathy?

Diabetic peripheral neuropathy is the nerve damage that develops when prolonged high blood sugar injures the small blood vessels feeding peripheral nerves. The longest nerves are affected first, which is why symptoms almost always begin in the feet and toes before working their way up the legs and eventually into the hands.

Diabetic neuropathy is the most common chronic complication of diabetes. It is also the most common reason a veteran with service-connected Type 2 diabetes ends up filing a second VA claim. Untreated or poorly managed diabetes leads to worsening nerve damage over time, and the nerve injury itself is often not reversible even when blood sugar is later brought under control.

Is Diabetic Neuropathy Rated Differently from Peripheral Neuropathy?

Diabetic neuropathy is one specific cause of peripheral neuropathy, not a separate disease. The VA rates the resulting nerve damage under the same diagnostic codes either way (38 CFR 4.124a, the schedule for neurological conditions), so the ratings are identical. The difference is in the path to service connection and the evidence required to win the claim.

• Distribution. Diabetic neuropathy is almost always a diffuse, distal, symmetric polyneuropathy in a stocking-glove pattern, affecting both feet first and both hands later. Non-diabetic peripheral neuropathy often presents as a mononeuropathy (one nerve, one side) or in an asymmetric pattern, depending on the underlying cause.
• Onset and progression. Diabetic neuropathy develops slowly over years of elevated blood sugar and is progressive. Toxic, traumatic, infectious, and chemotherapy-induced neuropathies can present acutely, plateau, or partially resolve depending on the cause.
• Autonomic involvement. Diabetic neuropathy commonly produces autonomic symptoms that get rated separately under the affected organ system. Most non-diabetic peripheral neuropathies are limited to sensory or motor fibers and do not produce the same autonomic picture.
• Service connection theory. Diabetic neuropathy is usually claimed as a complication of service-connected Type 2 diabetes, with the diabetes itself rated separately under DC 7913. Non-diabetic peripheral neuropathy is more often claimed under direct service connection, under the Agent Orange early-onset presumption, or as secondary to a different service-connected condition (kidney disease, a presumptive cancer, PTSD with alcohol use disorder, and so on).

Diagnosing and Service Connecting Neuropathy

Many veterans face challenges in getting their peripheral neuropathy diagnosed and service connected, particularly due to the intermittent nature of the condition, underreported symptoms, or assumptions that these symptoms are just a part of aging. The most frequent causes of peripheral neuropathy seen in the veteran population include:

• Diabetes (by far the most common cause of polyneuropathy in older adults)
• Toxic exposures including Agent Orange and the contaminated water at Camp Lejeune
• Alcohol use disorder
• Poor nutrition or vitamin deficiency (B12, thiamine, folate)
• Certain cancers and chemotherapy treatments (vinca alkaloids, taxanes, platinum compounds)
• Autoimmune disease (lupus, rheumatoid arthritis, Sjogren’s, CIDP)
• Certain medications (amiodarone, statins, long-term antibiotics, antivirals)
• Kidney or thyroid disease
• Infections such as Lyme disease, shingles, hepatitis C, or HIV/AIDS
• Trauma, compression, and surgical complications (including carpal tunnel and tarsal tunnel syndromes)

Service Connection Requirements

1. A current diagnosis of peripheral neuropathy. The condition has to be active and diagnosed now. The VA needs a current medical record from a treating provider confirming the diagnosis, ideally backed by EMG or nerve conduction studies.
2. An in-service event, injury, or exposure. Something that happened during active military service and which could explain the development of neuropathy. This is typically herbicide exposure in a qualifying location, toxic exposure at Camp Lejeune or another contaminated site, or a service-connected condition. For diabetic neuropathy, it’s the existing service connection for diabetes.
3. A medical nexus linking the two (not required for presumptive claims). A physician’s written opinion stating that the peripheral neuropathy is “at least as likely as not” related to the in-service event (or to a service-connected underlying condition).

How Do I Prove a Neuropathy VA Claim?

Step 1: Establish the Diagnosis with Diagnostic Testing

The VA cannot rate a disability it has not confirmed. Provide detailed medical records that outline your symptoms and the objective testing that documents the nerve damage. The diagnostic tests that carry the most weight are:

• Electromyography (EMG). Measures the electrical activity of muscles and detects motor-nerve damage.
• Nerve conduction velocity studies (NCV). Measure how quickly electrical signals travel through specific nerves. EMG and NCV are usually performed together.
• Nerve biopsy. Used in atypical cases where EMG/NCV are not definitive.
• Quantitative sensory testing and monofilament exam. Routine for diabetic foot exams and useful for documenting sensory loss when EMG/NCV access is limited.

Symptoms of Peripheral Neuropathy

Neuropathy symptoms depend on which nerves are involved (sensory, motor, or autonomic) and how widely the damage has spread. The most common symptoms of peripheral neuropathy reported by veterans are numbness, tingling, pain, and loss of muscle strength.

• Numbness in the feet, toes, fingers, or hands
• Tingling or a pins-and-needles sensation
• Burning pain, often worse at night
• Sharp, stabbing, or electric shock-like pain
• Heightened sensitivity to touch, where even bed sheets feel painful (allodynia)
• Loss of temperature sensation or inability to feel hot and cold
• Muscle weakness in the feet, ankles, or hands
• Loss of balance and coordination, with an increased risk of falls
• Foot drop, where the foot cannot be lifted properly when walking
• Loss of reflexes (the ankle jerk reflex is usually the first to disappear)
• Muscle atrophy in the lower legs or hands in advanced cases
• Foot ulcers, calluses, or injuries that go unnoticed because of lost sensation

Step 2: Pick the Right Service Connection Theory

Peripheral neuropathy reaches service connection through one of three theories. The right one depends on the cause of the nerve damage and on what the veteran is already service connected for.

• Secondary service connection (most common for diabetic neuropathy). If you already receive VA disability for Type 2 diabetes (or another underlying condition like kidney disease, a presumptive cancer, or PTSD with associated alcohol use disorder), the peripheral neuropathy that grew out of it can be added to your combined rating as a secondary condition.
• Aggravation is the often-overlooked variant of secondary service connection. If you already had mild nerve symptoms before your diabetes developed, but the diabetes made the neuropathy permanently worse, the VA must compensate for the aggravation. The nexus letter in this scenario needs to address baseline severity, current severity, and the degree of worsening attributable to the service-connected condition.
• Agent Orange presumption (early-onset only). If the peripheral neuropathy became 10% disabling within one year of last herbicide exposure, it qualifies for the presumption without needing a medical opinion to establish the link.
• Direct service connection. Outside the presumption window, a veteran can establish direct service connection with a current diagnosis, evidence of in-service exposure or injury, and a nexus letter from a physician explaining that the neuropathy is “at least as likely as not” related to service. “At least as likely as not” is the VA’s legal standard, meaning a 50/50 probability is enough.

Step 3: Document Severity (Not Just Diagnosis)

The rating percentage is driven by severity, not by diagnosis. A veteran with a documented diagnosis but a thin description of impairment frequently ends up with the lowest rating. To support a higher rating:

• Keep a symptom diary. A daily log of severity, frequency, and impact on activities (walking distance, balance, ability to grip, sleep disruption, falls) gives the C&P examiner and the rater a real-world picture.
• Get muscle atrophy, foot drop, and reflex changes documented. These are the findings that move the rating from mild to moderate to severe under the schedule. Ask your provider to specifically note absence of reflexes, measurable muscle atrophy in centimeters, and observed gait abnormalities.
• Map the distribution. Make sure the records describe which nerves and which body areas are affected on each side. This is what determines whether the rater applies one nerve code or several, and whether the bilateral factor applies.

Step 4: The C&P Exam for Peripheral Neuropathy

The Compensation and Pension exam is the VA-ordered medical evaluation that almost always follows a peripheral neuropathy claim. The examiner (typically a VA clinician or contracted provider) uses the VA’s Peripheral Nerve Conditions Disability Benefits Questionnaire to document which nerves are affected and how severely.

The rater of your claim relies heavily on the C&P examiner’s findings to assign the percentage, so this single appointment can make or break the rating.

• Bring documentation. Your symptom diary, current medication list, EMG/NCV results, and a brief written summary of when symptoms started and how they have progressed. Hand these to the examiner at the start of the visit.
• Describe your worst days, not your best days. Veterans frequently understate symptoms out of habit or stoicism. The C&P exam is the wrong place for that. Describe symptoms at their typical worst, including how they affect walking, standing, gripping, sleeping, and working.
• Make sure every affected limb is examined. If you have symptoms in both feet and both hands but the examiner only tests one extremity, the rater will only rate that one extremity. Politely ask the examiner to evaluate each limb where you have peripheral neuropathy symptoms.
• Watch for inadequate exams. Sometimes the examiner does not perform sensory or reflex testing, does not address all nerves you reported, or contradicts your treating provider’s findings without explanation. An inadequate C&P exam is a basis for requesting a new exam or appealing the rating.
• Request a copy of the report. After the exam, request the C&P report through your VA records portal. If it understates your condition, you can submit a rebuttal from your treating provider before the decision is made.

TDIU and Peripheral Neuropathy

Total Disability based on Individual Unemployability (TDIU) pays at the 100% compensation rate even when the veteran does not have a 100% schedular rating, as long as service-connected conditions prevent the veteran from securing or following substantially gainful employment (regular work that earns above the poverty threshold).

For veterans with severe peripheral neuropathy (especially bilateral foot drop, loss of grip, or balance problems that lead to falls), TDIU is often the difference between a partial rating and full compensation. There are two pathways: schedular and extraschedular TDIU.

• Schedular TDIU. Under 38 CFR 4.16(a), a veteran qualifies if they have either (1) one service-connected disability rated at 60% or more, or (2) two or more service-connected disabilities with a combined rating of at least 70%, with at least one disability rated at 40% or more. A veteran with moderately severe sciatic-nerve neuropathy in both legs (40% per leg, combined higher with the bilateral factor) plus service-connected diabetes often clears these thresholds.
• Extraschedular TDIU. Under 38 CFR 4.16(b), veterans who do not meet the schedular thresholds can still qualify if they can show that their service-connected conditions, taken together, render them unable to work. These cases are referred to the VA’s Director of Compensation Service for extraschedular consideration.

To win TDIU, the file should show how peripheral neuropathy specifically prevents employment. Useful evidence includes:

• Work history showing jobs lost or reduced hours after the neuropathy worsened
• Statements from former employers about accommodations attempted and why they failed
• Vocational expert opinions
• A treating physician’s statement describing functional limitations (inability to stand for more than a short period, drive safely, grip tools, type, or maintain reliable attendance because of pain and medication side effects)

Get Help with Your Neuropathy Claim

Veterans previously denied a peripheral neuropathy claim, or unhappy with a rating that does not reflect their actual level of impairment, may appeal the decision through a supplemental claim, a higher-level review, or an appeal to the Board of Veterans Appeals.

Hill & Ponton’s VA-accredited disability lawyers focus on helping veterans appeal unfavorable VA decisions. If you were denied or underrated, get a free case evaluation today. We don’t charge anything upfront and only receive a fee if and when you’re paid by the VA.