ICD-10-CM>A00-B99>A65-A69>A68A68Relapsing feversNon-Billable/Non-SpecificIncludesrecurrent feverType 2 ExcludesLyme disease (A69.2-)CodesA68.0Louse-borne relapsing feverA68.1Tick-borne relapsing feverA68.9Relapsing fever, unspecified