Z86.1

Non-billable

Personal history of infectious and parasitic diseases

Z86.1 is the ICD-10-CM code for Personal history of infectious and parasitic diseases. It is a non-billable category code — use a more specific child code such as Z86.11 for billing.

Status
Header (non-billable)
Chapter
Z00-Z99
Parent
Z86
Subcodes
7
Edition
FY2026

Z00-Z99 Factors influencing health status and contact with health services

What this means — in plain language

MedlinePlus · NIH

What are infectious diseases? Germs, or microbes, are found everywhere - in the air, soil, and water. There are also germs on your skin and in your body. Many of them are harmless, and some can even be helpful. But some of them can make you sick. Infectious diseases are diseases that are caused by germs. What are the different types of germs that cause infectious diseases? There are four main types of germs:…

Read more about Infectious Diseases at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Includes

Excludes1 — not coded here

  • personal history of infectious diseases specific to a body system
  • sequelae of infectious and parasitic diseases (B90-B94)

Frequently asked questions

What is ICD-10 code Z86.1?
Z86.1 is the ICD-10-CM code for "Personal history of infectious and parasitic diseases". It falls under Z00-Z99 Factors influencing health status and contact with health services.
Is Z86.1 a billable code?
No — Z86.1 is a non-billable header code. Use a more specific child code (such as Z86.11) for billing.
What are the subcodes of Z86.1?
Z86.1 has 7 more specific child codes, including Z86.11, Z86.12, Z86.13.
What is excluded from Z86.1?
Excludes1 (not coded here): personal history of infectious diseases specific to a body system; sequelae of infectious and parasitic diseases (B90-B94).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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