VA BENEFITS REFERENCE
DC 5256: Knee, Ankylosis Of
Read VA diagnostic code 5256 for Knee, ankylosis of: published criteria, regulatory notes, related codes and official sources checked October 25, 2026.
Published criteria from 38 CFR 4.71a, current through 2026-10-22. Historical decisions may require a different version. This reference does not diagnose a condition or determine an evaluation.
The Musculoskeletal System · All Diagnostic Codes
DC 5256: Knee, Ankylosis Of
Diagnostic code 5256 addresses Knee, ankylosis of. Read its specific instructions together with any shared formula, notes and linked provisions. These criteria describe evaluation after the applicable entitlement requirements are met; this reference does not diagnose a condition or determine a claim.
| Rating | |
|---|---|
| 5256 Knee, ankylosis of: | |
| Extremely unfavorable, in flexion at an angle of 45° or more | 60 |
| In flexion between 20° and 45° | 50 |
| In flexion between 10° and 20° | 40 |
| Favorable angle in full extension, or in slight flexion between 0° and 10° | 30 |
What The Criteria Measure
- Does the decision identify diagnostic code 5256, and does the medical record describe the condition named by this code?
- Do the examination findings record the relevant movement measurements and explain functional limitations, flare-ups and repeated use where applicable?
- Have the code-specific notes and cross-references been read before comparing any listed evaluation?
Related Public DBQs
Editorial subject matches, not official VA code-to-form assignments. Read the form scope and clinician instructions.
Shared Rules And Regulatory Context
- 38 CFR 4.71a Context And Notes
- 38 CFR 4.40 Context And Notes
- 38 CFR 4.41 Context And Notes
- 38 CFR 4.42 Context And Notes
- 38 CFR 4.43 Context And Notes
- 38 CFR 4.44 Context And Notes
- 38 CFR 4.45 Context And Notes
- 38 CFR 4.46 Context And Notes
- 38 CFR 4.57 Context And Notes
- 38 CFR 4.58 Context And Notes
- 38 CFR 4.59 Context And Notes
- 38 CFR 4.61 Context And Notes
- 38 CFR 4.62 Context And Notes
- 38 CFR 4.63 Context And Notes
- 38 CFR 4.64 Context And Notes
- 38 CFR 4.66 Context And Notes
- 38 CFR 4.67 Context And Notes
- 38 CFR 4.68 Context And Notes
- 38 CFR 4.69 Context And Notes
- 38 CFR 4.70 Context And Notes
- 38 CFR 4.71 Context And Notes
Context provisions do not create an additional evaluation automatically assigned to every condition.
Related Guides
Official Sources
Last verified 2026-10-25. Source publication or legal effective dates are shown separately where available.
- www.ecfr.gov/current/title-38/chapter-I/part-4/section-4.71a
- www.ecfr.gov/current/title-38/chapter-I/part-4/section-4.40
- www.ecfr.gov/current/title-38/chapter-I/part-4/section-4.41
- www.ecfr.gov/current/title-38/chapter-I/part-4/section-4.42
- www.ecfr.gov/current/title-38/chapter-I/part-4/section-4.43
- www.ecfr.gov/current/title-38/chapter-I/part-4/section-4.44
- www.ecfr.gov/current/title-38/chapter-I/part-4/section-4.45
- www.ecfr.gov/current/title-38/chapter-I/part-4/section-4.46
- www.ecfr.gov/current/title-38/chapter-I/part-4/section-4.57
- www.ecfr.gov/current/title-38/chapter-I/part-4/section-4.58
- www.ecfr.gov/current/title-38/chapter-I/part-4/section-4.59
- www.ecfr.gov/current/title-38/chapter-I/part-4/section-4.61
- www.ecfr.gov/current/title-38/chapter-I/part-4/section-4.62
- www.ecfr.gov/current/title-38/chapter-I/part-4/section-4.63
- www.ecfr.gov/current/title-38/chapter-I/part-4/section-4.64
- www.ecfr.gov/current/title-38/chapter-I/part-4/section-4.66
- www.ecfr.gov/current/title-38/chapter-I/part-4/section-4.67
- www.ecfr.gov/current/title-38/chapter-I/part-4/section-4.68
- www.ecfr.gov/current/title-38/chapter-I/part-4/section-4.69
- www.ecfr.gov/current/title-38/chapter-I/part-4/section-4.70
- www.ecfr.gov/current/title-38/chapter-I/part-4/section-4.71
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