ICD-10-CM > S00-T88 > S30-S39 > S33 > S33.1 > S33.13 > S33.131 S33.131 Dislocation of L3/L4 lumbar vertebra Non-Billable/Non-Specific Codes S33.131A..., initial encounterS33.131D..., subsequent encounterS33.131S..., sequela