Diagnostic code
Diagnostic Code 8515: Median Nerve Paralysis (Carpal Tunnel) Rating Criteria
- CFR section
- 38 CFR § 4.124a
- Rating range
- 10% to 70%
- Rating levels
- 4
- Body system
- Neurological conditions
The VA rates Median Nerve Paralysis (Carpal Tunnel) under diagnostic code 8515 in 38 CFR § 4.124a. The table below is the full set of rating criteria, from the schedule itself, with the evidence factors raters look for at each level.
DC 8515 rating criteria
| Rating | Criteria |
|---|---|
| 10% | Mild incomplete paralysis What raters look formild; numbness; tingling |
| 30% | Moderate incomplete paralysis (major) What raters look formoderate; grip weakness |
| 50% | Severe incomplete paralysis (major) What raters look forsevere; significant weakness; atrophy |
| 70% | Complete paralysis (major), hand inclined to ulnar side, thumb cannot oppose What raters look forcomplete paralysis |
Condition guide
The rating criteria are only part of the picture for Carpal Tunnel Syndrome. The Carpal Tunnel Syndrome condition page covers service connection, common evidence problems, secondary conditions, and Board outcome patterns in depth.
Other conditions rated under this code: Peripheral Neuropathy.
Frequently asked questions
What is VA diagnostic code 8515?
Diagnostic code 8515 is the VA rating schedule entry for Median Nerve Paralysis (Carpal Tunnel), found in 38 CFR § 4.124a. The VA assigns this code when it rates the condition and applies the criteria listed on this page.
What ratings are possible under DC 8515?
DC 8515 provides ratings of 10%, 30%, 50%, 70%. The percentage depends on which criteria your medical evidence documents, not on the diagnosis alone.
What does the highest rating under DC 8515 require?
The 70% rating for Median Nerve Paralysis (Carpal Tunnel) requires: Complete paralysis (major), hand inclined to ulnar side, thumb cannot oppose.