Z86 ICD-10-CM Code: Personal history of certain other diseases

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Official description

Z86

Personal history of certain other diseases

ICD-10-CM diagnosis code · United States clinical modification

Where Z86 sits

  1. 1

    Chapter 21

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

  2. 2

    Section

    Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)

  3. 3

    Category Z86

    Personal history of certain other diseases

  4. 4

    Code Z86

    Personal history of certain other diseases

Codes under Z86

Z86 is a non-billable category. Choose the child code that best matches the documented diagnosis.

Notes for this code

Inclusion terms

No inclusion terms are listed for Z86.

Code first

  • any follow-up examination after treatment (Z09)

Use additional code

No “use additional code” instruction is listed for Z86.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for Z86.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for Z86.

Source and release

Data release
U.S. ICD-10-CM · FY 2027
Effective date
Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Frequently asked questions

What does ICD-10-CM code Z86 mean?

Z86 is the FY 2027 U.S. ICD-10-CM code for “Personal history of certain other diseases.”

Is Z86 a billable or specific ICD-10-CM code?

No. Z86 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is Z86 located in ICD-10-CM?

Z86 is listed in Chapter 21, Factors influencing health status and contact with health services (Z00-Z99), within Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99) (Z77–Z99), under category Z86, Personal history of certain other diseases.

What coding notes are listed for Z86?

No inclusion terms are listed for Z86 in this reference record. Code-first instructions: any follow-up examination after treatment (Z09). No Excludes1 note is listed. No Excludes2 note is listed.