HCD offers extensive service and support to the medical community with its Allos Reference Laboratory, a fully licensed clinical information lab. Ready-to-use allergenic extracts for immunotherapy are also available to physicians along with clinical health expertise from the Medical Director of the Allos Reference Laboratory. Physicians simply send in a 2ml serum sample to the Allos Reference Laboratory and select a regional allergen panel: inhalant, food or combination. In three working days, they receive a precise, objective analysis report of the patient's reaction to each allergen; and, upon request, educational materials for the patient.