Z86.5 — Personal history of mental and behavioral disorders

Not billable

Is Z86.5 billable?

No — Z86.5 is a non-billable header code. Z86.5 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 2 billable codes beneath Z86.5.

Billable codes under this header

Z86.5 at a glance

Code	Z86.5
Description	Personal history of mental and behavioral disorders
Billable	No — header code
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

Inclusion terms

Alternative wording in documentation that is classified to Z86.5.

Conditions classifiable to F40-F59

Code first — inherited from Z86

The underlying condition below must be sequenced before Z86.5. Z86.5 describes a manifestation and cannot be the principal or first-listed diagnosis.

any follow-up examination after treatment (Z09)

Code also — inherited from Z77-Z99

Two codes may be needed to describe the condition fully. Whether Z86.5 is sequenced first depends on the reason for the encounter.

any follow-up examination (Z08-Z09)

What codes fall under Z86.5? (2)

How long has Z86.5 existed?

Z86.5 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.