ICD-10-CM > M00-M99 > M45-M49 > M48 > M48.5 > M48.50 M48.50 Collapsed vertebra, not elsewhere classified, site unspecified Non-Billable/Non-Specific Codes M48.50XA..., initial encounter for fractureM48.50XD..., subsequent encounter for fracture with routine healingM48.50XG..., subsequent encounter for fracture with delayed healingM48.50XS..., sequela of fracture