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🦴 MusculoskeletalUpper Extremity / NerveDC 8515

Carpal Tunnel Syndrome

Compression of the median nerve at the wrist, causing pain, numbness, tingling, and weakness in the thumb, index, and middle fingers. Common in veterans due to repetitive hand and wrist use during service, and frequently secondary to cervical spine conditions affecting the same nerve root distribution.

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VA Rating Tiers

60%
complete
50%
severe
30%
moderately severe
20%
moderate
10%
mild
0%
Meets minimum criteria

Rating Notes

  • ›60%: Complete paralysis of the median nerve — dominant (major) arm. Minor (non-dominant) arm rates 50%. DC 8515.
  • ›50%: Severe incomplete paralysis — dominant arm. Minor arm rates 40%. DC 8515.
  • ›30%: Moderately severe incomplete paralysis — dominant arm. Minor arm rates 20%. DC 8515.
  • ›20%: Moderate incomplete paralysis — dominant arm. Minor arm rates 10%. DC 8515.
  • ›10%: Mild incomplete paralysis — same rate for both dominant and minor arm. DC 8515.
  • ›0%: Neuralgia or minimal symptoms — service connected but non-compensable.
  • ›Rated under DC 8515 (median nerve) using the peripheral nerve rating schedule.
  • ›Percentages shown are for the dominant (major) arm — non-dominant (minor) arm rates one tier lower.
  • ›Both hands may be claimed and rated separately — bilateral carpal tunnel is allowed.
  • ›An EMG / nerve conduction study is critical for establishing the diagnosis and severity.
  • ›If carpal tunnel is secondary to a service-connected cervical spine condition, a nexus letter from a provider helps significantly.

Eligibility Basics

✅
Current symptoms
✅
In-service event
✅
Diagnosis or lay evidence
  • •Carpal tunnel can be claimed as direct (repetitive occupational duties during service) or secondary to cervical spine conditions.
  • •An EMG / nerve conduction study (NCS) is the gold standard diagnostic test — have one done before your C&P exam if possible.
  • •Both hands may be claimed separately — bilateral carpal tunnel is common.
  • •Rating is based on degree of median nerve impairment (incomplete vs. complete paralysis scale).

Evidence to Gather

Service Records

  • •sick call or medical records noting wrist pain, numbness, or hand symptoms
  • •records of physical duties involving repetitive hand or wrist use
  • •MOS or job documentation showing repetitive tools, keyboards, or equipment use
  • •any wrist injury records during service

Medical Evidence

  • •EMG / nerve conduction study (NCS) confirming median nerve compression
  • •primary care or neurology records documenting carpal tunnel diagnosis
  • •hand specialist or orthopedic surgeon records
  • •physical therapy records
  • •surgical records if carpal tunnel release was performed

Lay Evidence (Buddy Statements)

  • •statement describing repetitive hand duties during service and onset of symptoms
  • •statement describing nighttime hand pain, numbness, and functional limitations
  • •buddy statement noting observed hand or wrist problems during service

Diagnostic Tests

  • •EMG / nerve conduction study (NCS) — most important
  • •Phalen's test and Tinel's test (clinical)
  • •X-ray of wrist
  • •MRI of wrist (if indicated)

C&P Exam Preparation

Exam type: Peripheral Nerve / Hand and Wrist

Be ready to describe

  • •which fingers are affected (thumb, index, middle are median nerve territory)
  • •frequency and severity of nighttime symptoms
  • •how grip strength and fine motor tasks are affected
  • •whether shaking the hand relieves symptoms
  • •how the condition affects your job and daily function

Prep notes

  • •Bring your EMG / nerve conduction study results if you have them.
  • •Do not wear your wrist brace immediately before the exam — the examiner needs to assess your baseline.
  • •Describe nighttime symptoms clearly — waking up with hand numbness is a key CTS indicator.
  • •Report both hands if both are affected.
  • •If claiming as secondary to your neck, be ready to explain the connection between neck and hand symptoms.

Quick Facts

Diagnostic Code
DC 8515
Category
Musculoskeletal
Subcategory
Upper Extremity / Nerve
Typical Claim Type
secondary
Rating Range
0% – 60%

Also Known As

carpal tunnelcarpal tunnel syndromeCTSmedian nerve entrapmentwrist nerve painhand numbnesstingling in handswrist pain and numbnessmedian nerve compression

Related Conditions

Secondary to

cervical neck pain
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