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Z86.5

Non-billable

Personal history of mental and behavioral disorders

Z86.5 is the ICD-10-CM code for Personal history of mental and behavioral disorders. It is a non-billable category code — use a more specific child code such as Z86.51 for billing.

Status
Header (non-billable)
Chapter
Z00-Z99
Parent
Z86
Subcodes
2
Edition
FY2026

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

What this means — in plain language

MedlinePlus · NIH

What are mental disorders? Mental disorders (or mental illnesses) are conditions that affect your thinking, feeling, mood, and behavior. They may happen over a short period of time or come and go. Some can be chronic (long-lasting). They can affect your ability to relate to others and function each day.. What are some types of mental disorders? There are many different types of mental disorders. Some common ones…

Read more about Mental Disorders at MedlinePlus ↗

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

Includes

  • •Conditions classifiable to F40-F59

Frequently asked questions

What is ICD-10 code Z86.5?
Z86.5 is the ICD-10-CM code for "Personal history of mental and behavioral disorders". It falls under Z00-Z99 Factors influencing health status and contact with health services.
Is Z86.5 a billable code?
No — Z86.5 is a non-billable header code. Use a more specific child code (such as Z86.51) for billing.
What are the subcodes of Z86.5?
Z86.5 has 2 more specific child codes, including Z86.51, Z86.59.

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

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