2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Infectious And Parasitic Diseases 001-139 > Rickettsioses And Other Arthropod-Borne Diseases 080-088 > ICD-9-CM Diagnosis 087 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. 087 is a non-specific code that cannot be used to specify a diagnosis ICD-9-CM Diagnosis 087.0 Relapsing fever louse-borne 087.0 is a specific code that can be used to specify a diagnosis 087.0 contains 11 index entries ICD-9-CM Diagnosis 087.1 Relapsing fever tick-borne 087.1 is a specific code that can be used to specify a diagnosis 087.1 contains 15 index entries ICD-9-CM Diagnosis 087.9 Relapsing fever unspecified 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. 087.9 is a specific code that can be used to specify a diagnosis 087.9 contains 10 index entries