This is the CDC guidance for occupational exposure. It is a simplified list, which breaks exposure categories into two groups- self monitor/ or go home quarantine. The chart is down near the bottom.
Sorry- not much, but this is how the event would be dealt with in a health care setting at where I work.
https://www.cdc.gov/coronavirus/2019-ncov/hcp/guidance-risk-assesment-hcp.html