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5318
§ 4.73 Schedule of ratings—muscle injuries.

Thigh outward rotation muscle injury

Injury to muscles that rotate the thigh outward.

What the rating means

Group XVIII covers muscles that rotate the thigh outward and stabilize the hip joint. The specific muscles are the pyriformis, gemellus (superior or inferior), obturator (external or internal), and quadratus femoris. VA rates an injury to these muscles under diagnostic code 5318 using four levels: slight at 0%, moderate at 10%, moderately severe at 20%, and severe at 30%. The line between each level is drawn using the general muscle-injury criteria found in § 4.56, which looks at factors such as the extent of muscle damage, loss of strength, and the effect on function. VA also says that if a muscle injury results in loss of use of an extremity, you may be entitled to special monthly compensation under § 3.350, which is a separate benefit beyond the percentage rating.

Evidence that helps

Because the rating levels are defined by the criteria in § 4.56, your medical records should reflect what that section measures. Records showing the size and nature of the wound or injury, imaging or surgical findings describing muscle damage, and physical examination findings documenting weakness or limited outward rotation of the thigh are directly relevant. Strength testing of the hip rotators and documentation of any muscle wasting or scarring helps place the injury at a specific level of severity. Statements from you or people who know you describing how hip instability or weakness affects your ability to walk, stand, climb, or carry out daily tasks can also bear on where the injury falls on the scale from slight to severe. If your injury has affected the use of your entire leg, that finding should be clearly documented, as it may be relevant to the special monthly compensation provision.

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.