ICD-10-CM > M00-M99 > M45-M49 > M48 > M48.5 > M48.57 M48.57 Collapsed vertebra, not elsewhere classified, lumbosacral region Non-Billable/Non-Specific Codes M48.57XA..., initial encounter for fractureM48.57XD..., subsequent encounter for fracture with routine healingM48.57XG..., subsequent encounter for fracture with delayed healingM48.57XS..., sequela of fracture