What type of person is indicated by the code 421A?

The code 421A specifically refers to a "Sick or Injured Person." This designation is used by law enforcement and emergency services to identify situations where an individual may require medical attention due to illness or injury. The nomenclature is designed to facilitate rapid communication and response by ensuring that everyone involved understands the nature of the situation they are dealing with.

When responding to a 421A call, first responders can prioritize their actions based on the medical needs of the individual and coordinate with medical personnel as necessary. Understanding the specific codes is critical in emergency situations, as it allows for efficient allocation of resources and can expedite care for those in need. The other options represent different emergency scenarios that are coded distinctly, emphasizing that each code has its unique implications and response protocols.