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Carpal Tunnel Syndrome VA Disability Rating
DC 8515 | 38 C.F.R. § 4.124a | M21-1, Part IV.ii.3
OVERVIEW
Carpal tunnel syndrome (CTS) is rated under Diagnostic Code 8515 (median nerve paralysis) at 38 C.F.R. § 4.124a. Ratings differ between the dominant (major) and non-dominant (minor) hand. CTS is extremely common among veterans who performed repetitive manual tasks during service — mechanics, infantry, medics, cooks, and anyone operating equipment.
RATING CRITERIA (4 LEVELS)
70%/60% — Complete paralysis (major/minor)
Complete paralysis of the median nerve with the hand inclined to the ulnar side, inability to flex the index finger, inability to make a fist, loss of thumb abduction and opposition.
50%/40% — Severe incomplete paralysis (major/minor)
Severe incomplete paralysis of the median nerve.
30%/20% — Moderate incomplete paralysis (major/minor)
Moderate incomplete paralysis of the median nerve with impaired grip strength and reduced fine motor control.
10% — Mild incomplete paralysis
Mild incomplete paralysis of the median nerve with numbness, tingling, and mild grip weakness.
KEY EVIDENCE TO GATHER
-Nerve conduction study (NCS) / electromyography (EMG) showing median nerve entrapment
-Service records showing repetitive hand/wrist use (MOS duties, equipment operation)
-Surgical records if carpal tunnel release was performed
-Documentation of grip strength loss (dynamometer readings)
-Impact on daily activities: difficulty opening jars, dropping items, writing, typing
SECONDARY CONDITIONS (3 MAPPED)
DC 8515
Bilateral CTS is extremely common. If one hand is service-connected, the opposite hand often develops CTS due to compensatory overuse.
DC 5237-5243
Cervical radiculopathy can mimic or exacerbate CTS symptoms. Cervical pathology may be the underlying cause.
DC 9434
Chronic pain and loss of hand function can cause depressive disorder.
C&P EXAM TIPS (4)
1.If you have CTS in both hands, make sure BOTH are claimed and examined separately.
2.Bring recent EMG/NCS results if available — objective nerve testing is the gold standard.
3.Describe functional impact: dropping things, inability to grip, pain with typing, difficulty with buttons and zippers.
4.Note which is your dominant hand — ratings are higher for the major extremity.
RELEVANT CASE LAW
38 C.F.R. § 4.69
The dominant hand is rated as 'major' for purposes of peripheral nerve ratings. If the veteran is ambidextrous, the hand most used for daily activities is treated as major.
DOLLAR IMPACT
Bilateral CTS at moderate incomplete paralysis: 30% major + 20% minor with bilateral factor adds significant value. Combined with cervical spine and depression, total compensation can exceed $1,500/mo.
EDUCATIONAL TOOL ONLY. NOT LEGAL OR MEDICAL ADVICE.
NOT AFFILIATED WITH THE U.S. DEPARTMENT OF VETERANS AFFAIRS.
CLAIM RECON 2026