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C&P Exam Prep: Unfavorable Ankylosis - 5 Digits of One Hand

DC 5216 musculoskeletal 38 CFR 4.71a

DBQ Overview

Interview + Physical
Form Name
Hand_and_Finger
Form Code
Hand_and_Finger
Page Count
17
Examiner Type
Physician or Physician Assistant
Estimated Duration
30-45 minutes
Exam Format
Interview + Physical

What to Expect During Your Exam

Exam Overview

To document the nature, severity, and functional impact of ankylosis affecting all five digits of one hand under 38 CFR 4.71a DC 5216. The examiner must determine whether ankylosis is unfavorable (worse position) or favorable (functional position), measure joint positions and gap distances, and assess all DeLuca functional loss factors.

What the examiner evaluates:

  • Which digits are ankylosed (thumb, index, long, ring, little)
  • Which joints are ankylosed in each digit (CMC, MCP, IP, PIP, DIP)
  • Whether ankylosis is favorable (functional position) or unfavorable (non-functional position)
  • Gap measurement: fingertip(s) to proximal transverse crease of palm with digits flexed to maximum extent possible
  • Thumb opposition gap: thumb pad to fingers with thumb attempting to oppose
  • Presence of angulation, rotation, or both joints ankylosed in a single digit
  • Active and passive range of motion of all involved joints
  • DeLuca factors: pain on motion, fatigability, weakness, incoordination, flare-ups, repetitive use effects
  • Hand grip strength (dominant vs. non-dominant)
  • Presence of deformity (swan neck, boutonniere, mallet finger, rotation, angulation)
  • Muscle atrophy/disuse atrophy with circumference measurements
  • Assistive devices or braces used
  • Functional loss and impact on occupational and daily activities
  • Whether amputation evaluation under DC 5152-5156 is warranted
  • Dominant hand identification

Exam will include both a detailed history interview and hands-on physical examination. Bring all relevant medical records, imaging reports (X-rays, MRI), prior DBQ reports, and any assistive devices or splints you use. You have the right to request recording of the examination in most states. Arrive early and do not perform any activities that might temporarily reduce your typical symptom level.

Typical duration: 30-45 minutes

Fingertip-to-Proximal Transverse Crease (Palm Gap) Measurement

The gap in centimeters or inches between the fingertip(s) and the proximal transverse crease of the palm when the finger(s) are flexed to the maximum extent possible. This is the critical measurement distinguishing favorable from unfavorable ankylosis for index, long, ring, and little fingers.

What to expect:

The examiner will ask you to flex your fingers toward your palm as far as possible. They will then measure the distance from your fingertip to the proximal transverse crease (the fold at the base of the fingers where they meet the palm). This is done with a ruler in centimeters.

Key thresholds:

  • Gap > 2 inches (5.1 cm) — Supports UNFAVORABLE ankylosis classification - required for DC 5216 at 50% or 60%
  • Gap - 2 inches (5.1 cm) — Supports FAVORABLE ankylosis classification - evaluated under DC 5220 instead (lower ratings of 40-50%)
  • Both MCP and PIP ankylosed in any single digit — Automatically qualifies as UNFAVORABLE regardless of gap measurement; may also trigger amputation rating evaluation
  • Rotation or angulation present at ankylosed joint — Supports unfavorable classification and may warrant evaluation as amputation under DC 5153-5156

Tips:

  • Flex your fingers to the absolute maximum you can on your worst day, not your best day - M21-1 guidance supports worst-day reporting
  • Do not attempt to assist with the other hand or use gravity to increase flexion - let the examiner measure your true active range
  • If you experience pain that stops you from flexing further, clearly state 'I'm stopping because of pain at this point'
  • Make sure the examiner measures all five digits, not just the most visibly affected ones
  • The gap measurement is the single most important number for your rating - ensure it is accurately measured and documented

Pain considerations: If pain limits your flexion before reaching the mechanical endpoint of the joint, state this clearly. The examiner should note pain-limited motion separately from mechanically-limited motion. Per DeLuca v. Brown, functional loss due to pain must be considered even if it is not captured by goniometric measurement alone.

Thumb Opposition Gap Measurement

For thumb ankylosis: the gap between the thumb pad and the fingers when the thumb attempts to oppose the fingers. More than 2 inches (5.1 cm) indicates unfavorable ankylosis of the thumb.

What to expect:

The examiner will ask you to bring your thumb toward your other fingers as if pinching. They will measure the gap between your thumb pad and the fingers. This applies to the CMC (carpometacarpal) and IP (interphalangeal) joints of the thumb.

Key thresholds:

  • Gap > 2 inches (5.1 cm) with thumb attempting opposition — Unfavorable thumb ankylosis - supports DC 5216 classification
  • Both CMC and IP joints of thumb ankylosed — Automatically unfavorable regardless of gap; may warrant amputation rating evaluation

Tips:

  • Attempt to bring your thumb to your fingers as best you can - do not over-perform
  • If either the CMC or IP joint is fused, ensure the examiner documents which joint(s) are involved
  • Inform the examiner if your thumb is ankylosed in a position away from the palm (abduction/extension) as this is clearly unfavorable

Pain considerations: Report any pain experienced during opposition attempts. Note whether you experience radiating pain or wrist pain with thumb movement as this may indicate additional conditions.

Active Range of Motion (ROM) - All Digit Joints

The degrees of motion achievable by the veteran's own muscle strength at each joint of each affected digit: MCP flexion/extension, PIP flexion/extension, DIP flexion/extension, and for thumb: CMC and IP flexion/extension/abduction.

What to expect:

The examiner will use a goniometer (angle-measuring device) to record the starting position and end-range of motion for each joint. Normal MCP flexion is 0-90 degrees; PIP flexion is 0-100 degrees; DIP flexion is 0-70 degrees. Ankylosis means the joint is fixed and has no or near-zero degrees of movement.

Key thresholds:

  • 0 degrees active motion at a joint (complete ankylosis) — Confirms ankylosis at that joint - position/angle of fixation determines favorable vs. unfavorable
  • Fixed extension (0 degrees) at MCP or PIP — Unfavorable ankylosis position - supports higher rating
  • Fixed in full flexion (90+ degrees MCP or 100 degrees PIP) — Unfavorable ankylosis position - supports higher rating

Tips:

  • Do not 'warm up' your hands before the exam - cold, stiff morning-like conditions are more representative of your typical functional state
  • Move each joint as far as you can actively without assistance from the other hand
  • If a joint is truly fused, tell the examiner: 'This joint does not move at all - it is completely fixed'
  • Note the angle at which each joint is fixed, as this determines favorable vs. unfavorable classification

Pain considerations: Clearly report pain at each point in the range where it begins and where it stops you. State: 'I feel pain starting at [angle] and it prevents me from moving further.' Per DeLuca, pain-limited motion is functional loss even in ankylosis cases for non-fused joints in the same hand.

Passive Range of Motion (ROM) - All Digit Joints

The degrees of motion achievable when the examiner moves the joint without the veteran's muscular effort. For ankylosed joints, passive ROM equals active ROM (zero movement). Any difference between active and passive motion is clinically significant.

What to expect:

The examiner will gently attempt to move each joint through its range without your help. For ankylosed joints, the examiner will confirm no passive movement is possible either. DBQ fields specifically capture whether passive ROM equals active ROM.

Key thresholds:

  • Passive ROM = Active ROM (same as active) — Confirms true ankylosis rather than guarded/pain-inhibited motion
  • Passive ROM > Active ROM — Suggests pain-inhibited active motion - DeLuca functional loss applies; examiner must document the difference

Tips:

  • Relax your hand completely when the examiner performs passive testing - do not resist or assist
  • If passive movement causes pain even in an ankylosed hand, tell the examiner - this matters for functional loss documentation
  • Ensure the examiner checks the DBQ boxes confirming passive ROM equals active ROM where ankylosis is confirmed

Pain considerations: Even passive movement of an ankylosed joint's surrounding structures may cause pain - report it. Passive motion causing pain supports additional functional loss documentation under DeLuca.

Hand Grip Strength Testing

Overall grip strength of the affected hand compared to the unaffected (or less affected) hand. Ankylosis of all five digits severely compromises grip strength and pinch strength.

What to expect:

The examiner may use a dynamometer (grip strength meter) or simply assess grip qualitatively. Both right and left hand grip strength should be documented. DBQ fields specifically capture grip strength measurements.

Key thresholds:

  • Significantly reduced grip strength vs. contralateral hand — Supports functional loss documentation; relevant to occupational impact assessment
  • Inability to perform pinch or opposition — Documents complete functional disability of the hand - supports maximum rating level and functional loss description

Tips:

  • Test grip on your worst affected hand first - do not 'prime' the measurement with the normal hand
  • Be honest about your maximum grip - do not over-perform to appear better than you are
  • Tell the examiner which is your dominant hand - dominant hand involvement has greater functional and occupational impact
  • Describe specific tasks you can no longer perform due to grip failure: opening jars, turning keys, gripping steering wheel, typing, writing

Pain considerations: If gripping causes pain, state this clearly and describe the severity (0-10 scale), location (specific joints), and duration of post-activity pain. Grip-induced pain is a critical DeLuca factor.

Repetitive Use Testing and Fatigue Assessment

Whether repeated use of the hand causes additional loss of motion, pain, weakness, or fatigue beyond what is observed at rest or initial testing. This is a core DeLuca factor.

What to expect:

The examiner should ask whether repetitive use worsens your symptoms. They may observe you perform simple repetitive tasks or simply document your self-report. DBQ fields specifically capture whether repetitive use testing was performed and its results.

Key thresholds:

  • Increased pain/stiffness with repetitive use — Supports additional functional loss documentation beyond resting measurements - DeLuca requirement
  • Examiner declines to perform repetitive use testing — Must be explained in writing on DBQ - veteran should note this for potential inadequate examination challenge

Tips:

  • Tell the examiner: 'After extended use of my hand, I experience [describe: increased stiffness, burning pain, weakness, dropping items]'
  • Give specific examples: 'After typing for 10 minutes, I have to stop because...' or 'After grocery shopping, my hand locks up worse for hours'
  • Quantify worsening: 'My grip strength drops to almost nothing after 5 repetitions' or 'Pain goes from a 4/10 to a 9/10 after use'

Pain considerations: Repetitive use pain and fatigue are separately ratable functional losses under DeLuca v. Brown. Even if your joints are fixed (ankylosed), surrounding tendons, muscles, and adjacent non-ankylosed structures can cause significant use-dependent pain and fatigue.

Flare-Up Assessment

The frequency, duration, triggers, and severity of symptom exacerbations beyond baseline levels. Flare-ups are a key DeLuca factor that must be documented on the DBQ.

What to expect:

The examiner will ask whether you have flare-ups. DBQ field PUBLICDBQMUSCHANDANDFINGER_270 specifically asks for documentation of your description of flare-ups. This is your opportunity to fully describe episodes of worsening.

Key thresholds:

  • Flare-ups documented with frequency and severity — Required for complete DeLuca documentation; inadequate flare-up documentation is grounds for remand

Tips:

  • Prepare a written description of your typical flare-up: what triggers it, how long it lasts, what symptoms worsen, what you cannot do during a flare
  • Typical triggers to describe: cold weather, overuse, stress, gripping, pressure, sleep position
  • Describe the worst flare-up you have had in the past 12 months in detail
  • State: 'During a flare-up, my [symptom] increases from [baseline level] to [flare level] and lasts [duration]'

Pain considerations: Flare-up pain levels should be described using the 0-10 pain scale both at baseline and during flares. The examiner must document these as part of the required DeLuca analysis.

Muscle Atrophy Circumference Measurement

Circumference of the affected hand/forearm compared to the unaffected side to objectively measure disuse atrophy resulting from long-standing ankylosis and disuse.

What to expect:

The examiner may measure the circumference of the forearm or specific hand structures at a consistent anatomical location on both sides. DBQ fields capture right and left upper extremity circumference measurements and location of measurement.

Key thresholds:

  • Measurable circumference difference between affected and unaffected side — Objective evidence of disuse atrophy - supports functional loss documentation and severity of disability

Tips:

  • Point out any visible muscle wasting to the examiner if they do not measure it spontaneously
  • Describe functional activities you can no longer perform that would otherwise maintain muscle mass
  • Atrophy documentation strengthens the evidence base for maximum rating

Pain considerations: Atrophy itself is not painful, but the underlying disuse that causes it (avoiding painful movements) should be explained as the mechanism.

Estimate

Rating Criteria Breakdown

60% Unfavorable ankylosis of all five digits of one hand - domin ...

Unfavorable ankylosis of all five digits of one hand - dominant hand. The dominant hand receives the higher of the two available ratings (60%) under DC 5216. Unfavorable ankylosis requires: gap >2 inches between fingertip(s) and proximal transverse crease of palm with digits flexed to maximum, OR both MCP and PIP joints of any digit ankylosed, OR rotation or angulation at any ankylosed joint. Note: The examiner must also consider whether evaluation as amputation under DC 5152-5156 is warranted and apply the higher rating.

Key Symptoms

  • All five digits ankylosed in unfavorable (non-functional) position
  • Fingertip-to-palm crease gap greater than 2 inches (5.1 cm)
  • One or more digits with both MCP and PIP joints ankylosed
  • Presence of rotation or angulation at ankylosed bone/joint
  • Complete inability to grip, pinch, or oppose thumb
  • Condition affects dominant hand
  • Severe functional loss: cannot perform most manual tasks
  • DeLuca factors present: pain, fatigue, weakness, incoordination with any attempted use

CFR: 38 CFR 4.71a DC 5216: 'Five digits of one hand, unfavorable ankylosis of - 60 [dominant] 50 [non-dominant]. Note: Also consider whether evaluation as amputation is warranted.'

50% Unfavorable ankylosis of all five digits of one hand - non-d ...

Unfavorable ankylosis of all five digits of one hand - non-dominant hand. Same clinical criteria as 60% rating but applies to the non-dominant hand. Also applies when all criteria for unfavorable ankylosis are present in any hand where dominance is not established or documented. Examiner must identify dominant hand on DBQ. Note: Amputation comparison must still be performed.

Key Symptoms

  • All five digits ankylosed in unfavorable position on non-dominant hand
  • Fingertip-to-palm crease gap greater than 2 inches (5.1 cm)
  • One or more digits with both MCP and PIP joints ankylosed
  • Presence of rotation or angulation at ankylosed joint(s)
  • Complete inability to grip or pinch with non-dominant hand
  • Condition affects non-dominant hand
  • DeLuca factors present: pain, weakness, fatigue, incoordination

CFR: 38 CFR 4.71a DC 5216: 'Five digits of one hand, unfavorable ankylosis of - 60 50. Note: Also consider whether evaluation as amputation is warranted.' The 50% rating applies to the non-dominant hand.

How to Describe Your Symptoms

Joint Position and Ankylosis Description

How to describe:

Be specific about which joints are fused and in what position. State the angle if you know it: 'My index finger MCP joint is fused at approximately 45 degrees flexion and I cannot straighten it or bend it further.' Describe whether the position prevents useful function: 'My fingers are stuck pointing outward/downward/in a claw position and I cannot bring them toward my palm at all.'

Worst-day example:

“On my worst days, all five fingers of my right hand are completely rigid. I cannot bring any fingertip closer than four inches from my palm. My thumb cannot touch any finger. I cannot hold a cup, write, or button a shirt. The stiffness is so severe that even gentle contact with objects causes sharp pain radiating through the joints.”

What the examiner listens for:

Specific joint identification, position description (flexion angle), gap measurement correlation with veteran's subjective experience, consistency between reported limitations and observed physical findings.

Understatements to avoid:

Do not say 'my fingers are a little stiff' if they are truly ankylosed - use precise language: 'fused,' 'fixed,' 'completely immobile,' 'no movement whatsoever at the joint.' Do not minimize the position: if your fingers are fixed in extension, say 'they are locked straight and I cannot bend them.'

Pain Description (DeLuca Factor)

How to describe:

Describe pain with specificity: location (which digit, which joint), character (sharp, burning, aching, throbbing), severity on a 0-10 scale at rest, with motion, and at its worst. Describe what brings it on, what makes it worse, and what provides minimal relief.

Worst-day example:

“On my worst days, the pain in my fixed joints is a constant 7-8 out of 10 even at rest. Any attempt to use my hand - even placing it on a surface - sends sharp, shooting pain through all five fingers rated 9-10 out of 10. The pain radiates up my forearm. I cannot sleep because any pressure on the hand wakes me up screaming.”

What the examiner listens for:

Pain at rest versus with motion, specific joint localization, severity quantification, consistency with diagnosis, evidence of pain-limited function beyond mechanical limitation.

Understatements to avoid:

Do not say 'it hurts a little sometimes' if you experience significant chronic pain. Avoid vague descriptions like 'it bothers me.' Be specific: 'constant aching pain rated 5/10 at rest that spikes to 9/10 with any attempted grip or contact pressure.'

Functional Loss and Daily Life Impact

How to describe:

Describe specific activities you cannot perform or can only perform with difficulty/modifications. Organize by category: self-care (buttoning, hygiene, eating), occupational tasks (typing, writing, lifting, tools), and household tasks (cooking, cleaning, driving). Quantify how long you can perform any partial task before stopping.

Worst-day example:

“I cannot button my own shirt - I use magnetic closures. I cannot hold a pen to write my name. I dropped a full coffee mug last week because my grip failed suddenly. I had to stop working as a [occupation] because I could not perform [specific tasks]. I need assistance with [specific ADL]. I cannot drive safely because I cannot grip the steering wheel with my [dominant/non-dominant] hand.”

What the examiner listens for:

Specific activity limitations, occupational impact, need for assistance or adaptive equipment, correlation between stated limitations and degree of ankylosis, impact on dominant vs. non-dominant hand.

Understatements to avoid:

Do not say 'I manage okay' if you use adaptive equipment, receive help from others, or have modified your lifestyle. Document every accommodation you have made. Do not minimize occupational impact - if you changed careers or reduced hours, say so explicitly.

Weakness and Incoordination (DeLuca Factors)

How to describe:

Describe weakness in terms of specific failures: objects dropped, inability to open containers, inability to hold tools. Describe incoordination: fine motor failures such as inability to pick up small objects, use keys, operate a phone touchscreen, or fasten buttons.

Worst-day example:

“My grip is essentially zero - I cannot open a prescription bottle, turn a door knob, or hold a fork without dropping it. I frequently drop items without warning because the fingers cannot grip. My fine motor coordination is completely gone - I cannot pick up a coin from a flat surface or operate a zipper.”

What the examiner listens for:

Specific descriptions of weakness and coordination failures, frequency of dropping items, correlation with degree of ankylosis, whether weakness is constant or variable.

Understatements to avoid:

Do not omit episodes of dropping items - these are clinically significant. Do not describe weakness as 'sometimes' if it affects you multiple times daily.

Fatigability and Lack of Endurance (DeLuca Factors)

How to describe:

Describe how quickly your hand fatigues during use, how long it takes to recover, and what the post-activity state looks like. Quantify with time: 'After 5 minutes of typing, my hand is completely exhausted and I need 30 minutes of rest before attempting again.'

Worst-day example:

“I can only attempt to use my hand for about 2-3 minutes before the pain and fatigue become unbearable. After any use, my hand goes into a rigid, painful state that lasts 1-2 hours regardless of what I do. I have to plan every activity carefully because using my hand costs me the ability to do anything else with it for hours afterward.”

What the examiner listens for:

Time-limited function, post-activity pain and stiffness duration, comparison of function at beginning vs. end of activity, functional day-to-day variability.

Understatements to avoid:

Do not say 'I can do it, it just hurts' if the pain is severe enough to stop you or limits your duration significantly. Describe the full cycle: onset of fatigue, peak, and recovery time.

Flare-Up Description

How to describe:

Describe the frequency (how many times per month), duration (how long each episode lasts), triggers (what causes them), severity (how much worse than baseline), and impact (what you cannot do during a flare that you might otherwise manage).

Worst-day example:

“I have significant flare-ups approximately 3-4 times per month, typically triggered by cold weather, extended activity, or stress. During a flare, my pain increases from a baseline of 5/10 to 9-10/10, the joints become even more rigid and swollen, and I am completely unable to use the hand for any purpose. Flares last 2-5 days. During flares I need assistance with all personal care, cannot drive, and cannot work.”

What the examiner listens for:

Objective correlates of flares (swelling, warmth, redness), consistency with diagnosis, quantified impact, whether flares were documented in medical records.

Understatements to avoid:

Do not fail to mention flares because you think they are expected or unimportant. Flare-up documentation is a required DeLuca element. Every significant flare-up should be described in detail on the DBQ.

Common Mistakes to Avoid

Prep Checklist

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Before Your Exam

Day Of

During the Exam

After the Exam

Your Rights During a C&P Exam

  • You have the right to request that your C&P examination be recorded in most states - check your state's recording consent laws and inform the examiner at the start of the exam.
  • You have the right to a thorough and adequate examination - an examiner who spends less than 10-15 minutes on a complex ankylosis case, does not perform gap measurements, or does not ask about DeLuca factors may be conducting an inadequate examination that can be challenged.
  • You have the right to review and obtain a copy of your completed DBQ through a records request - review for accuracy and completeness before your rating decision is issued.
  • You have the right to submit buddy statements, lay statements, and personal statements as evidence of your symptoms and functional limitations - these can supplement the DBQ findings.
  • You have the right to a VA-accredited claims agent, VSO representative, or attorney to assist with your claim at no cost (VSO) or regulated fee (attorney) - you do not have to navigate this process alone.
  • You have the right to request a new examination if the original exam was inadequate - inadequacy grounds include failure to measure gap distances for all five digits, failure to assess dominant hand, failure to document DeLuca factors, or examiner unfamiliarity with DC 5216 criteria.
  • You have the right to have your worst-day symptoms considered per M21-1 guidance - the rating should reflect the full range of your disability, not just how you presented on one exam day.
  • You have the right to an amputation rating comparison under the DC 5216 note - if the examiner did not address this, you may request a supplemental examination or submit evidence requesting the comparison.
  • You have the right to appeal a rating decision through Supplemental Claim, Higher-Level Review, or Board of Veterans' Appeals if you believe the rating does not accurately reflect your disability level.
  • You have the right to a clear rationale for any rating assigned - if the rating decision does not explain why one rating level was chosen over another for DC 5216, you may request clarification or appeal.
  • You have the right to submit independent medical opinions (IMO) from private physicians that address the favorable vs. unfavorable ankylosis determination and dominant hand rating if you disagree with the VA examiner's conclusions.

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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.