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 |
---|---|
5321 Group XXI. Function: Respiration. Muscles of respiration: Thoracic muscle group | |
Severe or Moderately Severe | 20 |
Moderate | 10 |
Slight | 0 |