Immunohistochemistry. A laboratory test that uses antibodies to detect particular proteins or receptors in cells or tissue samples. IHC tests may be used to help determine whether breast cancer cells have hormone receptors or too much of the HER2/neu protein. Results from IHC can help determine breast cancer treatment options.

Internet Healthcare Coalition.

International Hobby Corporation. A Model Railroad Manufacturer.

International Harvester Corporation. Now a subsidiary of Case Corporation.

Indian Head Cent