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5163
§ 4.71a Schedule of ratings—musculoskeletal system.

Below-knee amputation with defective stump

Below-knee amputation with a stump that does not support a prosthesis well.

What the rating means

Diagnostic code 5163 covers a below-knee amputation where the stump has become defective enough that a thigh-level (above-knee) amputation is recommended. There is one rating under this code: 60%. Because the regulation describes the condition as "with defective stump, thigh amputation recommended," the 60% rating applies when the stump is in that specific condition. If your below-knee amputation does not involve a defective stump requiring a higher amputation, VA would rate it under a different diagnostic code. The regulation provides no other percentage levels under code 5163, so the only possible rating here is 60%.

Evidence that helps

To support a 60% rating under this code, evidence needs to show two things: that your below-knee amputation stump is defective, and that a physician has recommended amputation at the thigh level because of that defect. Medical records documenting the condition of the stump are central — this includes examination findings describing problems such as skin breakdown, poor healing, chronic infection, bone spurs, painful scarring, or other stump complications that make the current level of amputation unworkable. A physician's written recommendation or surgical consultation specifically advising thigh-level amputation would directly address the second criterion. Your own statements describing how the stump affects your ability to use a prosthesis and carry out daily activities can help show the functional impact, but the medical recommendation for a higher amputation is the core requirement the evidence must establish.

Secondary conditions

Conditions that are often caused or made worse by this one. If you have any of these, they may be claimable as secondary service connection.