A Silver color metal and enamel device 1 1/8 inches (2.86 cm) in height overall consisting of a shield blazoned: Sanguine, a bear passant Proper; on a chief Argent a cross of Malta of the field. Attached below the shield is a Silver scroll inscribed "IN OMNIA PROMPTUS" in Maroon letters.
The shield is sanguine, with the chief in silver, the colors of its predecessor, an organization of the Medical Department. The bear denotes that the unit was organized at Camp Fremont, California. The cross of Malta was a device used by the first exclusively military medical organization, the Knights Hospitallers of Saint John of Jerusalem, which was formed in 1118.
The distinctive unit insignia was originally approved for the 8th Medical Regiment on 2 March 1934. It was redesignated for the 8th Medical Battalion on 28 November 1939. The insignia was redesignated for the 1st Medical Battalion on 6 August 1940. It was amended to add the motto on 16 June 1967. The insignia was redesignated for the 201st Support Battalion with the description and symbolism amended on 5 June 1987.