2026 ICD-10-CM Diagnosis Code Z86.0100Personal history of colon polyps, unspecified

ICD-10-CM Codes›Z00–Z99›Z77-Z99›Z86

ICD-10-CM Z86.0100
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Z86.0100 is a billable ICD-10-CM diagnosis code for personal history of colon polyps, unspecified. 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. Coders also document this condition as history of polyp of colon. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Personal history of other disease.

Code Identity

ICD-10-CM Code
Z86.0100
Billable Status
Yes — Valid for Submission
Code Describes
Personal history of colon polyps, unspecified
Short Description
Personal history of colon polyps, unspecified
Same as the full description in the CMS dataset.
Parent Code
Z86.010
Personal history of colon polyps

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 CodeZ86.0100Personal history of colon polyps, unspecified

Code EditsBilling

Medicare Code Editor checks that affect claim validity for Z86.0100.

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

Z86.0100 is exempt from POA reporting on inpatient claims to general acute care hospitals. Review other POA exempt codes.

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • History of polyp of colon

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Inclusion Terms

  • Personal history of colon polyps NOS

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)
        • neoplasm
          • benign
            • colon polyp

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR FAC030
Personal history of other disease
Default principal diagnosis: inpatient No · outpatient Yes

Patient EducationClinical

Colonic Polyps

A polyp is an extra piece of tissue that grows inside your body. Colonic polyps grow in the large intestine, or colon. Most polyps are not dangerous. However, some polyps may turn into cancer or already be cancer. To be safe, doctors remove polyps and test them.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code History & ChangesHistory

Replacement Z86.0100 replaces the following previously assigned code(s):

  • Z86.010 - Personal history of colon polyps
  • Z86.010 - Personal history of colonic polyps
FY 2025AddedAdded to the ICD-10-CM code setEffective October 1, 2024.
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About Z86.0100Overview

Is Z86.0100 (Personal history of colon polyps) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report personal history of colon polyps, unspecified on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

Can Z86.0100 be a principal diagnosis?

No. The Medicare Code Editor rejects this code as a principal diagnosis because personal history of colon polyps, unspecified describes a circumstance that influences health status rather than a current illness. Report it as a secondary diagnosis.

Is Z86.0100 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 colon polyps, unspecified on inpatient claims.