Z86.1
ICD-10Non-billable categoryPersonal history of infectious and parasitic diseases
Official ICD-10-CM descriptor (FY2026)
Personal history of infectious and parasitic diseases
Z86.1 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.
Inclusion terms
- Conditions classifiable to A00-B89, B99
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- personal history of infectious diseases specific to a body system
- sequelae of infectious and parasitic diseases (B90-B94)
ICD-10-CM FY2026 defines 7 codes beneath Z86.1. See the ICD-10-CM index for what this site publishes.
Related codes in Z86
- Z86.0Prsnl hx of in-situ and ben neoplm and neoplm of uncrt behavcategory
- 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
- Parent code
- Z86
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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.