A silver color metal and enamel device 1 3/16 inches (3.02 cm) in height overall consisting of a Greek maroon cross bearing at its center a silver color Phoenix in flames (red and yellow) and encircled by a continuous blue scroll with a fold at its lowest portion bearing four fleurs-de-lis and with the inscription above "RESTORE," "SUSTAIN," "VITALIZE," all in silver color metal. The areas between the arms of the cross within the inner side of the scroll of red.
Maroon and white are the colors used for Medical organizations. The cross, a symbol for aid and assistance, refers to the basic mission of the 403d Combat Support Hospital. The legendary Phoenix, a symbol of rejuvenation and indicative of the restoration of health and vigor, also alludes to the city of Phoenix, Arizona, home area of the hospital. The four fleurs-de-lis symbolize the campaigns of the organization in Europe during World War II.
The distinctive unit insignia was approved on 20 March 1973.