Final answer:
The two types of vertebral fractures that might be coded in addition to multiple fractures of the same vertebra are comminuted and impacted fractures. These types represent a bone broken into several pieces and one bone fragment driven into another, respectively.
Step-by-step explanation:
The question "Which two types of vertebral fractures are coded in addition to multiple fractures of the same vertebra?" refers to the categorization and coding of fracture types for clinical record-keeping and treatment purposes. In the context of vertebral fractures, the two types that might be coded in addition to multiple fractures of the same vertebra are likely comminuted fractures and impacted fractures. Comminuted fractures are those where the bone is broken into several pieces, which can be a common occurrence when multiple fractures affect the same vertebra. Impacted fractures involve one bone fragment being driven into another, which can also coincide with multiple breaks in a single vertebra.