Z86.002 — Personal history of in-situ neoplasm of other and unspecified genital organs

BillableUnspecified

Is Z86.002 billable?

Yes, but Z86.002 is an unspecified code. Z86.002 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, Z86.002 is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting Z86.002 — the more specific alternatives are listed below.

More specific alternatives

Z86.002 at a glance

Code	Z86.002
Description	Personal history of in-situ neoplasm of other and unspecified genital organs
Billable	Yes
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

What Medicare edits apply to Z86.002?

The Medicare Code Editor screens inpatient claims before they are grouped. These edits name Z86.002 directly.

Cannot be a principal diagnosis — MCE edit 9

CMS will reject this code as the principal diagnosis on an inpatient claim. It describes something other than the condition chiefly responsible for the admission.

Which MS-DRGs does Z86.002 group to?

Z86.002 sits in MDC 23 and helps define the logic of 1 MS-DRG (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

951Other Factors Influencing Health Statusmedical

How is Z86.002 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to Z86.002. They show the wording a clinician may have documented, which often differs from the Tabular description.

History › personal › in situ neoplasm › genital organs, specified NEC
History › personal › neoplasia › high-grade prostatic intraepithelial, III [HGPIN III]
History › personal › neoplasia › vaginal intraepithelial, III [VAIN III]
History › personal › neoplasia › vulvar intraepithelial, III [VIN III]
History › personal › dysplasia › vaginal › severe
History › personal › dysplasia › vulvar › severe
History › personal › neoplasm › in situ › genital organs, specified NEC

Inclusion terms

Alternative wording in documentation that is classified to Z86.002.

Conditions classifiable to D07
Personal history of high-grade prostatic intraepithelial neoplasia III [HGPIN III]
Personal history of vaginal intraepithelial neoplasia III [VAIN III]
Personal history of vulvar intraepithelial neoplasia III [VIN III]

Code first — inherited from Z86

The underlying condition below must be sequenced before Z86.002. Z86.002 describes a manifestation and cannot be the principal or first-listed diagnosis.

any follow-up examination after treatment (Z09)

Excludes2 — not included here — inherited from Z86.0

The conditions below are not part of Z86.002, but a patient may have both at the same time. When documentation supports it, Z86.002 and the excluded code may both be reported.

personal history of malignant neoplasms (Z85.-)

Code also — inherited from Z77-Z99

Two codes may be needed to describe the condition fully. Whether Z86.002 is sequenced first depends on the reason for the encounter.

any follow-up examination (Z08-Z09)

How long has Z86.002 existed?

Z86.002 first appears in FY2021 (FY2020 is not available, so it may have appeared then).

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