38 CFR 4.71a
5055 Knee replacement (prosthesis).
Prosthetic replacement of knee joint:
For 1 year following implantation of
prosthesis .................................... 100
With chronic residuals consisting of
severe painful motion or weakness
in the affected extremity ..... 60
With intermediate degrees of residual
weakness, pain or limitation
of motion rate by analogy to diagnostic
codes 5256, 5261, or
5262.
Minimum rating ............................... 30