2026 ICD-10-CM Diagnosis Code Z64.0Problems related to unwanted pregnancy

ICD-10-CM Codes›Z00–Z99›Z55-Z65›Z64

ICD-10-CM Z64.0
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Z64.0 is a billable ICD-10-CM diagnosis code for problems related to unwanted 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. Coders also document this condition as illegitimate pregnancy. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Socioeconomic/psychosocial factors.

Code Identity

ICD-10-CM Code
Z64.0
Billable Status
Yes — Valid for Submission
Code Describes
Problems related to unwanted pregnancy
Short Description
Problems related to unwanted pregnancy
Same as the full description in the CMS dataset.
Parent Code
Z64
Problems related to certain psychosocial circumstances

Code Classification

ChapterZ00–Z99Factors influencing health status and contact with health services
SectionZ55-Z65Persons with potential health hazards related to socioeconomic and psychosocial circumstances
CategoryZ64Problems related to certain psychosocial circumstances
This CodeZ64.0Problems related to unwanted pregnancy

Code EditsBilling

Medicare Code Editor checks that affect claim validity for Z64.0.

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

Z64.0 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.

  • Illegitimate pregnancy
  • Oral contraception - problem
  • Pregnancy on oral contraceptive
  • Pregnancy unplanned and unwanted
  • Pregnancy unplanned but wanted
  • Psychosocial problems related to unwanted pregnancy
  • Unplanned pregnancy
  • Unplanned pregnancy unknown if child is wanted
  • Unwanted pregnancy
  • Wanted pregnancy

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.

    • Pregnancy(single) (uterine)
      • unwanted
    • Problem(with) (related to)
      • illegitimate pregnancy (unwanted)
    • Problem(with) (related to)
      • unwanted pregnancy
    • Unwanted
      • pregnancy

Clinical ClassificationClinical

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

CCSR FAC019
Socioeconomic/psychosocial factors
Default principal diagnosis: inpatient No · outpatient No

Convert Z64.0 to ICD-9-CMHistory

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

ICD-9-CM
V61.6 Illegitimate pregnancy
Approximate The match is approximate rather than exact.
ICD-9-CM
V61.7 Unwanted pregnancy NEC
Approximate The match is approximate rather than exact.

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 Z64.0Overview

Is Z64.0 (Problems related to certain psychosocial circumstances) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report problems related to unwanted pregnancy on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

Can Z64.0 be a principal diagnosis?

No. The Medicare Code Editor rejects this code as a principal diagnosis because problems related to unwanted pregnancy describes a circumstance that influences health status rather than a current illness. Report it as a secondary diagnosis.

Is Z64.0 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 problems related to unwanted pregnancy on inpatient claims.

What is the ICD-9 equivalent of Z64.0?

Under the General Equivalence Mappings, problems related to unwanted pregnancy converts to ICD-9-CM V61.6 (illegitimate pregnancy) and V61.7 (unwanted pregnancy NEC). The mapping is approximate, so confirm the match fits the documentation.