Insect bite (nonvenomous) of lower leg 1 S80.86 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail. 2 The 2021 edition of ICD-10-CM S80.86 became effective on October 1, 2020. 3 This is the American ICD-10-CM version of S80.86 - other international versions of ICD-10 S80.86 may differ.
Use secondary code (s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code.