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C&P Exam Prep: Below-Knee Amputation of Leg
DBQ Overview
Interview + Physical- Form Name
- amputations
- Form Code
- amputations
- Page Count
- 6
- Examiner Type
- Orthopedic Surgeon, Physiatrist, or Prosthetist
- Estimated Duration
- 30-60 minutes
- Exam Format
- Interview + Physical
What to Expect During Your Exam
Exam Overview
To document the precise anatomical level of your below-knee amputation, evaluate stump condition, assess prosthetic fit and function, identify complications such as phantom pain or neuroma, and determine the functional impact on your daily life and mobility to assign an accurate disability rating under DC 5162.
What the examiner evaluates:
- Exact anatomical level of amputation relative to knee joint
- Stump condition including length, shape, skin integrity, and scar tissue
- Presence and quality of prosthetic fit and whether it permits normal gait
- Stump complications: neuromas, bone spurs, ulceration, infection, contracture
- Phantom limb pain or phantom sensations
- Residual limb pain, tenderness, or hypersensitivity
- Need for assistive devices: cane, crutches, wheelchair, brace
- Functional mobility and walking ability with and without prosthesis
- Impact on activities of daily living and occupational function
- Presence of complicating conditions such as vascular disease, diabetes, or skin breakdown
- Secondary joint problems in knee, hip, or spine due to altered gait
You will likely be asked to remove your prosthesis for direct stump examination. Bring your prosthesis and any assistive devices to the exam. The examiner may observe your gait with and without the prosthesis. Wear clothing that allows easy access to the residual limb. Arrive prepared to demonstrate functional limitations honestly.
Typical duration: 30-60 minutes
Amputation Level Assessment
Precise anatomical location of the amputation relative to anatomical landmarks used in 38 CFR rating criteria (e.g., below knee with stump permitting prosthesis vs. defective stump)
What to expect:
Examiner will visually inspect and palpate the residual limb, measure stump length from the knee joint line, and document the level relative to rating thresholds. You may be asked to remove the prosthetic socket.
Key thresholds:
- Below knee with prosthesis permitting normal gait — 40% rating under DC 5162 (amputation between forefoot and knee permitting prosthesis)
- Below knee with defective stump or amputation not improvable by prosthesis — 60% rating under DC 5162 (defective stump) or higher depending on specific circumstances
- Amputation not improvable by prosthesis, controlled by natural knee — 60% rating minimum; evaluate for higher rating based on stump condition
Tips:
- Do not wear a new or recently adjusted prosthesis that fits better than usual - use your typical daily-wear device
- Ask the examiner to document any skin breakdown areas before and after prosthesis removal
- If your stump changes shape throughout the day, mention this to the examiner
- Note any areas of the stump that are painful, sensitive, or prone to skin breakdown
Pain considerations: Residual limb pain, phantom pain, and neuroma pain are all separately ratable and must be specifically described. Do not assume the examiner will ask about pain - proactively report all pain types, their location, frequency, intensity on a 0-10 scale, and what triggers or worsens them.
Stump Condition Evaluation
Skin integrity, scar quality, bony prominences, neuroma formation, contracture, and prosthetic fit quality of the residual limb
What to expect:
Examiner will palpate the stump, look for ulceration, skin breakdown, adherent scars, bony prominences causing socket problems, and assess whether the stump shape allows reliable prosthetic fitting. Gait observation with prosthesis is likely.
Key thresholds:
- Stump permits well-fitting prosthesis with near-normal gait — 40% rating - indicates functional amputation level
- Defective stump: skin breakdown, poor socket fit, chronic ulceration, or painful neuroma preventing reliable prosthetic use — 60% rating - defective stump classification
- Stump not improvable by prosthesis at all — 60% or higher; evaluate for special monthly compensation (SMC) if loss of use is established
Tips:
- Show the examiner any areas of skin breakdown, calluses, or socket sores you experience regularly
- Describe how long you can wear your prosthesis each day before needing to remove it due to pain or skin irritation
- Bring photos of stump irritation or skin breakdown if available
- Mention if you frequently change liners, suspension systems, or socket adjustments due to fit problems
Pain considerations: Socket interface pain that limits daily prosthetic wear time is a critical functional finding. Report specifically: how many hours per day you wear the prosthesis, why you remove it, and what the stump looks like after prosthetic wear.
Gait Analysis and Functional Ambulation
Quality and safety of ambulation with prosthesis, need for assistive devices, distance limitations, and fall risk
What to expect:
Examiner may observe you walking in the exam room with your prosthesis. They will note gait deviations, use of assistive devices, and any instability. Be honest about your typical functional walking distance.
Key thresholds:
- Independent ambulation with prosthesis, no assistive devices — Supports 40% rating level; functional amputation
- Requires cane, crutches, or brace for safe ambulation with prosthesis — Supports higher functional limitation; may affect rating or SMC consideration
- Unable to use prosthesis, wheelchair dependent or limited to very short distances — Supports defective stump finding or SMC consideration for loss of use of extremity
Tips:
- Walk as you normally do - do not perform better than your typical daily function
- If you use a cane or other assistive device at home, bring it and use it at the exam
- Report your realistic walking distance before pain, fatigue, or safety concerns require stopping
- Describe terrain limitations: stairs, uneven ground, slopes
Pain considerations: Gait-related pain in the residual limb, contralateral knee/hip, low back, or shoulders from crutch use all represent functional impairment. Report each separately with location, onset, and how it limits distance or activity.
Phantom Pain and Sensation Assessment
Presence, character, frequency, and functional impact of phantom limb pain and sensations
What to expect:
Examiner will ask whether you experience sensations in the amputated portion of the limb. Phantom pain is separately ratable and must be described accurately. Do not minimize phantom pain.
Key thresholds:
- Phantom pain absent or minimal with no functional impact — No additional rating impact beyond amputation level
- Phantom pain moderate to severe, disrupting sleep, ADLs, or prosthetic use — May support separate rating for neuralgia or affect overall functional assessment
- Phantom pain requiring ongoing medications, nerve blocks, or behavioral treatment — Documents severity; supports functional limitation narrative
Tips:
- Describe phantom pain separately from stump pain - they are different symptoms
- Note frequency: daily, several times per week, triggered by weather or activity
- Rate intensity on a 0-10 scale during average episodes and worst episodes
- Describe character: burning, electric, stabbing, cramping, pressure
- Report impact on sleep - phantom pain often worsens at night
Pain considerations: Phantom pain is real, documented, and ratable. Never dismiss it as 'just phantom pain' to the examiner. It affects prosthetic tolerance, sleep, mood, and functional capacity. Report it fully and specifically.
Rating Criteria Breakdown
| Rating % | Criteria | Key Symptoms |
|---|---|---|
| 100% | Special Monthly Compensation (SMC) consideration applies when there is loss of use of the foot or when bilateral amputations or other combinations of disability result in entitlement to SMC under 38 CFR 3.350. The C&P examiner must document loss of use findings and functional capacity to support SMC determinations by the rating specialist. |
CFR: 38 CFR 3.350 - Special Monthly Compensation based on loss of use of an extremity. Rating specialist applies SMC rates; examiner documents functional findings supporting loss of use determination. |
| 60% | Amputation below the knee with defective stump, OR amputation not improvable by prosthesis but controlled by the natural knee. A defective stump is one that prevents reliable prosthetic use due to skin breakdown, poor shape, neuroma, bony prominence, or chronic ulceration. This rating reflects significantly greater functional impairment than a functional stump. |
CFR: DC 5162 - Amputation, leg, below knee: amputation with defective stump; or amputation not improvable by prosthesis, controlled by natural knee. Rate at 60%. |
| 40% | Amputation below the knee with amputation between the forefoot and knee, permitting the use of a prosthesis. This is the baseline rating for a functional below-knee amputation where a prosthesis can be worn and permits reasonably functional ambulation. |
CFR: DC 5162 - Amputation, leg, below knee: amputation between the forefoot and knee, permitting prosthesis. Rate at 40%. |
100% Special Monthly Compensation (SMC) consideration applies whe ...
Special Monthly Compensation (SMC) consideration applies when there is loss of use of the foot or when bilateral amputations or other combinations of disability result in entitlement to SMC under 38 CFR 3.350. The C&P examiner must document loss of use findings and functional capacity to support SMC determinations by the rating specialist.
Key Symptoms
- Complete inability to use prosthesis
- Wheelchair dependence for all mobility
- Loss of use of the extremity equivalent to amputation at higher level
- Bilateral lower extremity amputations
- Combination of amputation with other severe disabilities
CFR: 38 CFR 3.350 - Special Monthly Compensation based on loss of use of an extremity. Rating specialist applies SMC rates; examiner documents functional findings supporting loss of use determination.
60% Amputation below the knee with defective stump, OR amputatio ...
Amputation below the knee with defective stump, OR amputation not improvable by prosthesis but controlled by the natural knee. A defective stump is one that prevents reliable prosthetic use due to skin breakdown, poor shape, neuroma, bony prominence, or chronic ulceration. This rating reflects significantly greater functional impairment than a functional stump.
Key Symptoms
- Chronic skin breakdown or ulceration at prosthetic interface
- Neuroma causing intractable pain with prosthetic wear
- Bony prominence preventing comfortable socket fit
- Stump shape (conical, adherent scar, redundant tissue) preventing reliable prosthetic fit
- Amputation level or stump condition not improvable by any prosthetic modification
- Significant daily prosthetic wear time limitation due to stump problems
- Frequent prosthetic adjustments or inability to maintain socket fit
CFR: DC 5162 - Amputation, leg, below knee: amputation with defective stump; or amputation not improvable by prosthesis, controlled by natural knee. Rate at 60%.
40% Amputation below the knee with amputation between the forefo ...
Amputation below the knee with amputation between the forefoot and knee, permitting the use of a prosthesis. This is the baseline rating for a functional below-knee amputation where a prosthesis can be worn and permits reasonably functional ambulation.
Key Symptoms
- Below-knee amputation at any level between forefoot and knee joint
- Prosthesis worn and permits ambulation
- Stump in generally acceptable condition for prosthetic socket fit
- May have mild phantom pain or sensation
- Reasonable daily prosthetic wear time
CFR: DC 5162 - Amputation, leg, below knee: amputation between the forefoot and knee, permitting prosthesis. Rate at 40%.
How to Describe Your Symptoms
Residual Limb (Stump) Pain
How to describe:
Describe pain at the end of or along the residual limb separately from phantom pain. Note whether it is constant or intermittent, what aggravates it (prosthetic wear, pressure, activity, weather), what relieves it, and how it limits your ability to wear the prosthesis or walk.
Worst-day example:
“On my worst days, the pain at the end of my stump is a burning 8 out of 10 that starts within 30 minutes of putting on my prosthesis. The socket edge digs into the sensitive scar tissue and I have to remove the leg entirely. On those days I can only walk with crutches or stay home. This happens at least three to four times per week.”
What the examiner listens for:
Specific pain descriptors, functional limitation in prosthetic wear time, relationship between pain and activity level, pain at rest versus with use, pain that disrupts sleep
Understatements to avoid:
Do not say 'I manage fine' or 'the pain is not too bad' if you are limiting your activities, taking medication, or removing your prosthesis due to pain. These statements will be recorded and may support a lower rating.
Phantom Limb Pain
How to describe:
Describe pain felt in the foot or lower leg that no longer exists. Specify the character (burning, cramping, electric shock, pressure), frequency, duration, intensity, triggers, and any treatments used. Note whether it disrupts sleep, work, or daily activities.
Worst-day example:
“At least four nights per week I wake up with severe cramping and burning pain in my phantom foot, rated 7 to 9 out of 10. It lasts anywhere from 20 minutes to two hours. I take medication but it only partially helps. During the day, unexpected electric shock sensations in my phantom toes startle me and cause me to lose focus at work.”
What the examiner listens for:
Frequency, intensity, character, duration, sleep disruption, functional impact, treatments tried and their effectiveness
Understatements to avoid:
Do not say 'it is just phantom pain' as if it does not count. Phantom pain is a documented neurological condition that is fully ratable. Do not omit it because you think the examiner will dismiss it.
Prosthetic Fit and Wear Limitations
How to describe:
Describe how many hours per day you can realistically wear your prosthesis, why you remove it, what happens to the stump after wear (redness, skin breakdown, blistering, swelling), and how fit problems affect your mobility and independence.
Worst-day example:
“On average I can only wear my prosthesis for four to five hours before I have to remove it because of skin breakdown at the distal stump. After removal I see redness, open areas, and sometimes blistering. Without my prosthesis I rely on crutches or a wheelchair for the rest of the day. This means I cannot work a full day, attend events, or complete errands without planning around my prosthetic limitations.”
What the examiner listens for:
Daily wear time, reasons for removal, skin complications observed, impact on independence and employment, frequency of prosthetic adjustment or repair
Understatements to avoid:
Do not imply your prosthesis works perfectly if you have daily limitations. The examiner needs to know your actual functional capacity, not your best-case scenario.
Mobility, Gait, and Assistive Device Use
How to describe:
Describe your realistic walking distance, terrain limitations, need for assistive devices, fall history, and activities you can no longer safely perform. Be specific about distances in blocks or minutes, not vague terms like 'short distances.'
Worst-day example:
“On my worst days I cannot walk more than half a block with my prosthesis before severe stump pain forces me to stop. I use a cane every time I walk outside because my balance is poor on uneven ground and I have fallen three times in the past year. I cannot climb stairs without holding the railing with both hands, and I avoid any terrain that is not completely flat.”
What the examiner listens for:
Specific distance limitations, fall history with dates if possible, specific activities abandoned, need for and consistent use of assistive devices, stairs and terrain limitations
Understatements to avoid:
Do not underestimate your walking distance or say 'I can walk okay' if you avoid walking, require rest breaks, use a cane, or have fallen. Vague positive statements undermine your claim.
Functional Impact on Activities of Daily Living
How to describe:
Describe specific tasks you cannot perform or perform with difficulty: bathing, dressing, standing for cooking, working, driving, recreational activities. Connect limitations directly to the amputation and its complications.
Worst-day example:
“I cannot stand long enough to cook a full meal. I shower seated. Getting dressed takes twice as long because I must put on my prosthesis before I can stand at the sink. I had to leave my job in construction because I cannot stand, climb ladders, or walk on uneven surfaces. I have given up hiking, sports, and long walks with my family.”
What the examiner listens for:
Specific named activities, time required to complete basic tasks, employment impact, recreational losses, social limitations, need for assistance from others
Understatements to avoid:
Do not say 'I adjust' or 'I find ways around it' without also describing what you gave up or how your life has changed. Adaptation is admirable but it does not mean you are not disabled.
Common Mistakes to Avoid
Wearing your best-fitting or newest prosthesis to the exam
A well-fitting prosthesis may lead the examiner to document superior function that does not reflect your daily experience. Rating criteria are based on typical function, not optimal conditions.
Instead: Wear your usual daily prosthesis. If fit varies by day or you have multiple devices, explain this to the examiner and describe your typical daily experience honestly.
Impact: Could push rating from 60% to 40% by making the stump appear functional when it is typically defective
Not removing the prosthesis for examination unless directly asked
The examiner must inspect the stump directly. A clothed or socketed stump cannot be properly evaluated for defective stump findings, skin breakdown, neuroma, or bony prominence.
Instead: Be prepared and willing to remove your prosthesis completely. Bring extra clothing if needed. The stump examination is the most critical part of the rating determination.
Impact: Missing defective stump finding can result in 40% instead of 60%
Minimizing phantom pain because it feels intangible or hard to explain
Phantom pain is a real, documented, neurological condition. Failing to report it fully means the examiner cannot document it, and it disappears from the rating record.
Instead: Report phantom pain with the same detail as any other pain: frequency, intensity, character, duration, triggers, treatments, and functional impact including sleep disruption.
Impact: Unreported phantom pain misses secondary rating opportunities and understates overall functional impairment
Describing your best day rather than your typical or worst day
VA raters use the M21-1 guidance that ratings should reflect the veteran's actual disability picture, including bad days. Describing only good days leads to an underrated outcome.
Instead: When the examiner asks how you function, describe your worst days and your typical days. Specifically say 'on my worst days' and 'on average' to provide the full picture.
Impact: Affects overall rating at all levels - most commonly results in 40% when 60% is warranted
Failing to mention assistive device use or downplaying it
Use of canes, crutches, braces, or wheelchairs is directly documented on the DBQ and affects both the rating and Special Monthly Compensation eligibility. Omitting or minimizing this is a significant error.
Instead: Bring all assistive devices to the exam. Use them as you normally would. Tell the examiner exactly which devices you use, how often, and why. The examiner documents this on the DBQ.
Impact: Missed SMC eligibility; may affect functional finding between 40% and 60%
Not disclosing secondary conditions caused by the amputation
Altered gait from below-knee amputation frequently causes secondary knee, hip, and lumbar spine problems on both the amputated and intact side. These are separately ratable as secondary conditions.
Instead: Report any pain or problems in your knee, hip, back, or contralateral leg that developed after your amputation. These may support separate secondary service connection claims.
Impact: Missing secondary conditions means significant combined rating loss beyond the primary amputation rating
Prep Checklist
Before Your Exam
Day Of
During the Exam
After the Exam
Your Rights During a C&P Exam
- You have the right to receive a copy of the completed DBQ and any examination report generated from your C&P exam.
- You have the right to record your C&P examination in states that permit one-party consent recording - verify your state's law before the exam.
- You have the right to have a VSO representative, accredited claims agent, or attorney present or available by phone during your C&P exam in most circumstances - check current VA policy.
- You have the right to submit a buddy statement (VA Form 21-10210) from family members, caregivers, or coworkers who can describe your functional limitations as they observe them.
- You have the right to submit a personal statement describing your symptoms, functional limitations, and how your condition affects your daily life - this statement becomes part of your claims file.
- You have the right to a second opinion or an Independent Medical Examination (IME) from a private provider, which can be submitted as evidence in your claim or appeal.
- You have the right to request an inadequate exam be returned for additional development if the DBQ fails to address required elements - this can be raised through your VSO or in an appeal.
- You have the right to appeal any rating decision through the Supplemental Claim lane, Higher-Level Review lane, or Board of Veterans Appeals within the established timeframes.
- You have the right to Special Monthly Compensation (SMC) consideration if your amputation results in loss of use of the extremity - this must be affirmatively raised and is not automatically assigned.
- You have the right to have all submitted evidence considered before a rating decision is made, including private medical records, personal statements, and lay evidence describing your symptoms.
Related Conditions
- Phantom Limb Pain / Residual Limb Neuralgia Direct complication of below knee amputation. Phantom pain and residual limb neuralgias are separately ratable under diagnostic codes for peripheral nerve conditions and should be claimed in addition to the amputation rating.
- Secondary Knee Condition (Contralateral or Ipsilateral) Altered biomechanics and gait compensation following below knee amputation frequently cause overuse injury, accelerated arthritis, or pain in the contralateral knee and the ipsilateral knee joint. These are ratable as secondary conditions under 38 CFR 3.310.
- Lumbar Spine Condition Secondary to Amputation Gait deviations caused by prosthetic use and unilateral loading place asymmetric stress on the lumbar spine, leading to degenerative changes and chronic low back pain. Ratable as secondary to the amputation under 38 CFR 3.310.
- Hip Condition Secondary to Amputation Compensatory hip mechanics from below knee prosthetic gait can cause hip bursitis, osteoarthritis, or labral pathology in either hip. Secondary service connection may be established with appropriate nexus evidence.
- Diabetes Mellitus (if causative) If the below knee amputation resulted from diabetic vascular disease or neuropathy, diabetes may be the primary service connected condition from which the amputation flows as a secondary condition, potentially affecting the combined rating and SMC eligibility.
- PTSD / Adjustment Disorder Related to Amputation Traumatic amputation, body image changes, loss of function, and chronic pain frequently contribute to PTSD, depression, or adjustment disorder. These are separately ratable psychiatric conditions that should be claimed if present.
- Peripheral Vascular Disease A common underlying cause of lower extremity amputation. If service connected, peripheral vascular disease rating and the amputation rating may both apply. Affects stump healing, skin integrity, and prosthetic tolerance.
- Skin Conditions of the Residual Limb Chronic skin breakdown, contact dermatitis from prosthetic materials, folliculitis, and ulceration of the residual limb are separately ratable skin conditions that arise directly from amputation and prosthetic use.
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This C&P exam preparation guide is for educational purposes only and does not constitute legal, medical, or claims advice. Always consult with a qualified Veterans Service Organization (VSO) representative or VA-accredited attorney for guidance specific to your claim. Never exaggerate, minimize, or fabricate symptoms during a C&P examination.