ICD-10-CM > S00-T88 > S30-S39 > S33 > S33.1 > S33.11 > S33.111 S33.111 Dislocation of L1/L2 lumbar vertebra Non-Billable/Non-Specific Codes S33.111A..., initial encounterS33.111D..., subsequent encounterS33.111S..., sequela