Payers that process both Medicare Part A and Part B claims are known as ______________

Your patient has received blunt facial trauma due to an assault. For which of the following injuries should you maintain a high index of suspicion?

A) Airway obstruction B) Hypoxia due to aspiration of blood C) Basilar skull fracture D) Cervical spine trauma

Retained metal fragments, left upper eyelid: ________

Fill in the blank with correct ICD-10.