Z86
ICD-10Non-billable categoryPersonal history of certain other diseases
Official ICD-10-CM descriptor (FY2026)
Personal history of certain other diseases
Z86 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Code first
Sequence the underlying condition before this code.
- any follow-up examination after treatment (Z09)
More specific codes under Z86
- Z86.0Prsnl hx of in-situ and ben neoplm and neoplm of uncrt behavcategory
- Z86.1Personal history of infectious and parasitic diseasescategory
- Z86.2Prsnl history of dis of the bld/bld-form org/immun mechnsm
- Z86.3Personal history of endo, nutritional and metabolic diseasescategory
- Z86.5Personal history of mental and behavioral disorderscategory
- Z86.6Personal history of dis of the nervous sys and sense organscategory
- Z86.7Personal history of diseases of the circulatory systemcategory
Where this code sits
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.