Airplane insurance

Insurance that is purchased by commercial airlines and consists of property insurance on airplanes and liability insurance for passengers and persons not passengers. It is for negligent acts or omissions by the airline that may result in bodily injuries or property damages.

AJ

HCPCS Level II modifier that may be used with CPT or HCPCS Level II codes indicating services performed by a clinical social worker. Use of this modifier affects Medicare payment.

AK

HCPCS Level II modifier that may be used with CPT or HCPCS Level II codes indicating services provided by a nonparticipating physician. Use of this modifier affects Medicare payment.

AKS

Abbreviation that may be defined as anti-kickback statute. See Stark I Regulations and Stark II Regulations .

Algorithm

Rule or procedure containing conditional logic for solving a problem or accomplishing a task. Guideline algorithms concern rules for evaluating patient care against published guidelines. Criteria algorithms concern rules for evaluating criteria compliance. Algorithms may be expressions in written form, graphic outlines, diagrams, and flow charts that describe each step in the work or thought process.

Alien

Individual not a citizen or national of the United States but belonging to another country or people; a foreigner. May be referred to as an immigrant when a person from another country comes to settle.