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 |
|---|---|
| 5320 Group XX. Function: Postural support of body; extension and lateral movements of spine. Spinal muscles: Sacrospinalis (erector spinae and its prolongations in thoracic and cervical regions) |
|
| Cervical and thoracic region: | |
| Severe | 40 |
| Moderately Severe | 20 |
| Moderate | 10 |
| Slight | 0 |
| Lumbar region: | |
| Severe | 60 |
| Moderately Severe | 40 |
| Moderate | 20 |
| Slight | 0 |