2026 ICD-10-CM Diagnosis Code Z98.870Personal history of in utero procedure during pregnancy

ICD-10-CM Codes›Z00–Z99›Z77-Z99›Z98

ICD-10-CM Z98.870
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Z98.870 is a billable ICD-10-CM diagnosis code for personal history of in utero procedure during pregnancy. 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. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Personal history of other disease.

Code Identity

ICD-10-CM Code
Z98.870
Billable Status
Yes — Valid for Submission
Code Describes
Personal history of in utero procedure during pregnancy
Short Description
Personal history of in utero procedure during pregnancy
Same as the full description in the CMS dataset.
Parent Code
Z98.87
Personal history of in utero procedure

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
CategoryZ98Other postprocedural states
This CodeZ98.870Personal history of in utero procedure during pregnancy

Code EditsBilling

Medicare Code Editor checks that affect claim validity for Z98.870.

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

Z98.870 is exempt from POA reporting on inpatient claims to general acute care hospitals. Review other POA exempt codes.

Tabular List NotesGuidance

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

Type 2 Excludes

  • complications from in utero procedure for current pregnancy O35.7
  • supervision of current pregnancy with history of in utero procedure during previous pregnancy O09.82

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 utero procedure during pregnancy
    • History
      • personal (of)
        • procedure during pregnancy

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

Convert Z98.870 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
V15.21 Hx in utero proc in preg
Exact Match The mapping is direct, with no qualifiers.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About Z98.870Overview

Is Z98.870 (Personal history of in utero procedure) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report personal history of in utero procedure during pregnancy on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

Can Z98.870 be a principal diagnosis?

No. The Medicare Code Editor rejects this code as a principal diagnosis because personal history of in utero procedure during pregnancy describes a circumstance that influences health status rather than a current illness. Report it as a secondary diagnosis.

Is Z98.870 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 utero procedure during pregnancy on inpatient claims.

What is the ICD-9 equivalent of Z98.870?

Under the General Equivalence Mappings, personal history of in utero procedure during pregnancy converts to ICD-9-CM V15.21 (hx in utero proc in preg). The mapping is a direct match.