2026 ICD-10-CM Diagnosis Code Z86.00APersonal history of in-situ neoplasm of the fallopian tube(s)

ICD-10-CM Codes›Z00–Z99›Z77-Z99›Z86

ICD-10-CM Z86.00A
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Z86.00A is a billable ICD-10-CM diagnosis code for personal history of in-situ neoplasm of the fallopian tube(s). It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The code is not accepted as a principal diagnosis by the Medicare Code Editor and exempt from POA reporting.

Code Identity

ICD-10-CM Code
Z86.00A
Billable Status
Yes — Valid for Submission
Code Describes
Personal history of in-situ neoplasm of the fallopian tube(s)
Short Description
Pers hx of in-situ neoplasm of the fallopian tube(s)
Parent Code
Z86.00
Personal history of in-situ neoplasm

Code Classification

ChapterZ00–Z99Factors influencing health status and contact with health services
SectionZ77-Z99Persons with potential health hazards related to family and personal history and certain conditions influencing health status
CategoryZ86Personal history of certain other diseases
This CodeZ86.00APersonal history of in-situ neoplasm of the fallopian tube(s)

Code EditsBilling

Medicare Code Editor checks that affect claim validity for Z86.00A.

Unacceptable principal diagnosis
There are selected codes that describe a circumstance which influences an individual's health status but not a current illness or injury, or codes that are not specific manifestations but may be due to an underlying cause. These codes are considered unacceptable as a principal diagnosis.

Present on Admission (POA)Billing

Z86.00A is exempt from POA reporting on inpatient claims to general acute care hospitals. Review other POA exempt codes.

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • History
      • personal (of)
        • in situ neoplasm
          • fallopian tube (s)

Code History & ChangesHistory

New Code Z86.00A was added to the ICD-10-CM code set for FY 2026, effective October 1, 2025.

Replacement Z86.00A replaces the following previously assigned code(s):

  • Z86.002 - Pers hx of in-situ neoplasm of other and unsp genital organs
FY 2026AddedAdded to the ICD-10-CM code setEffective October 1, 2025.
FY 2026CurrentRevised in the current code setEffective October 1, 2025 through September 30, 2026.

Questions About Z86.00AOverview

Is Z86.00A (Personal history of in-situ neoplasm) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report personal history of in-situ neoplasm of the fallopian tube(s) on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

Can Z86.00A be a principal diagnosis?

No. The Medicare Code Editor rejects this code as a principal diagnosis because personal history of in-situ neoplasm of the fallopian tube(s) describes a circumstance that influences health status rather than a current illness. Report it as a secondary diagnosis.

Is Z86.00A exempt from POA reporting?

Yes. CMS lists this code among those exempt from present on admission reporting, so hospitals do not assign a POA indicator for personal history of in-situ neoplasm of the fallopian tube(s) on inpatient claims.