VASRD 5256 · Musculoskeletal System
Knee, Ankylosis at 40% VA Disability Rating
The knee is fused bent slightly, between 10 and 20 degrees.
40%: single veteran, no dependents
$795.84
$9,550.08/year · tax-free · effective December 1, 2025
VA Rating Criteria for 40%
Ankylosis in flexion between 10° and 20°.
40% Pay by Household (2026)
Monthly compensation amounts for Knee, Ankylosis rated at 40%. Dependent additions apply at 30% and above.
| Single (no dependents) | $795.84 |
| With spouse | $882.84 |
| With spouse + 1 child | $947.84 |
| With spouse + 2 children | $990.84 |
| Single + 1 child (no spouse) | $853.84 |
Lower tier
30% Knee, Ankylosis
$552.47 /mo single
Higher tier
50% Knee, Ankylosis
$1,132.90 /mo single
Common questions about 40% for Knee, Ankylosis
- How much does a 40% VA rating for Knee, Ankylosis pay?
- A single veteran rated 40% for Knee, Ankylosis receives $795.84 per month ($9,550.08/year) under the 2026 VA rates, effective December 1, 2025. VA disability compensation is tax-free. With a spouse and one child, the monthly amount is $947.84.
- What does it take to get a 40% rating for Knee, Ankylosis?
- Ankylosis in flexion between 10° and 20°.
- What's the difference between 40% and 50% for Knee, Ankylosis?
- 40%: The knee is fused bent slightly, between 10 and 20 degrees. 50%: The knee is fused bent somewhere between 20 and 45 degrees.
- Can a secondary condition raise my rating above 40%?
- Yes. If a condition like Hip Pain is service-connected as secondary to Knee, Ankylosis, the VA combines both ratings using the official combined-ratings formula (38 CFR 4.25), which can produce a combined rating higher than 40% alone.
Official sources
- 38 CFR § 4.71a — Schedule of ratings — musculoskeletal system (Diagnostic Code 5256)
- VA.gov — 2026 veteran disability compensation rates, effective December 1, 2025
Pay amounts on this page were last checked against VA.gov on August 16, 2026.
See all rating tiers and evidence guidance
Full VASRD criteria, best evidence, exam pitfalls, and secondary conditions for Knee, Ankylosis are on the main condition page.
View full Knee, Ankylosis guide
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