ICD-10-CM > M00-M99 > M45-M49 > M48 > M48.5 > M48.54 M48.54 Collapsed vertebra, not elsewhere classified, thoracic region Non-Billable/Non-Specific Codes M48.54XA..., initial encounter for fractureM48.54XD..., subsequent encounter for fracture with routine healingM48.54XG..., subsequent encounter for fracture with delayed healingM48.54XS..., sequela of fracture