ICD-10-CM > S00-T88 > S30-S39 > S33 > S33.1 > S33.14 S33.14 Subluxation and dislocation of L4/L5 lumbar vertebra Non-Billable/Non-Specific Codes S33.140Subluxation of L4/L5 lumbar vertebraS33.140A..., initial encounterS33.140D..., subsequent encounterS33.140S..., sequelaS33.141Dislocation of L4/L5 lumbar vertebraS33.141A..., initial encounterS33.141D..., subsequent encounterS33.141S..., sequela