2020 ICD-10-CM Codes for Relapsing fevers (A68)

Clinical Terms for Relapsing fevers (A68)

Relapsing Fever-. An acute infection characterized by recurrent episodes of PYREXIA alternating with asymptomatic intervals of apparent recovery. This condition is caused by SPIROCHETES of the genus BORRELIA. It is transmitted by the BITES of either the body louse (PEDICULUS humanus corporis), for which humans are the reservoir, or by soft ticks of the genus ORNITHODOROS, for which rodents and other animals are the principal reservoirs.

Fever-. An abnormal elevation of body temperature, usually as a result of a pathologic process. Other terms used: pyrexia.

Borrelia-. A genus of gram-negative, anaerobic, helical bacteria, various species of which produce RELAPSING FEVER in humans and other animals.

Instructional Notations