Immunosuppressive therapy

Treatment by administering an agent that significantly interferes with the ability of the body’s immune system to respond to antigenic stimulation by inhibiting cellular and humoral immunity such as preparing someone for a bone marrow transplant or to prevent rejection of donor tissue.

Impact program

Plan of managing and controlling expensive inpatient hospital costs that supports wise utilization of medical services by moving treatment to less expensive settings when suitable and checking to be sure patients do not spend more time than necessary in the hospital.

Impairment

1. Any condition of the insured’s health, job, activities, or lifestyle that could increase his or her expected mortality or morbidity. 2. In workers’ compensation when an injured worker cannot perform all job activities that he or she could do before suffering an injury but may perform some job duties. If the impairment substantially limits a major life activity, then a worker may qualify as disabled under the Americans with Disabilities Act.

implementation guide (IG)

Document explaining the proper use of a standard for a specific business purpose. The X12N Health Insurance Portability and Accountability Act (HIPAA) IGs are the primary reference documents used by those implementing the associated transactions and are incorporated into the HIPAA regulations by reference.