ICD-10-CM > M00-M99 > M45-M49 > M48 > M48.5 > M48.52 M48.52 Collapsed vertebra, not elsewhere classified, cervical region Non-Billable/Non-Specific Codes M48.52XA..., initial encounter for fractureM48.52XD..., subsequent encounter for fracture with routine healingM48.52XG..., subsequent encounter for fracture with delayed healingM48.52XS..., sequela of fracture