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5318 – Group XVIII – Function: Outward rotation of thigh and stabilization of hip joint

Note (1): When evaluating any claim involving muscle injuries resulting in loss of use of any extremity or loss of use of both buttocks (diagnostic code 5317, Muscle Group XVII), refer to § 3.350 of this chapter to determine whether the veteran may be entitled to special monthly compensation.

Note (2): Ratings of slight, moderate, moderately severe, or severe for diagnostic codes 5301 through 5323 will be determined based upon the criteria contained in § 4.56.

Rating Criteria Rating
5318 Group XVIII. Function: Outward rotation of thigh and stabilization of hip joint.
Pelvic girdle group 3: (1) Pyriformis; (2) gemellus (superior or inferior); (3) obturator
(external or internal); (4) quadratus femoris
Severe 30
Moderately Severe 20
Moderate 10
Slight 0