2026 ICD-10-CM Diagnosis Code Z31.9Encounter for procreative management, unspecified

ICD-10-CM Codes›Z00–Z99›Z30-Z39›Z31

ICD-10-CM Z31.9
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Z31.9 is a billable ICD-10-CM diagnosis code for encounter for procreative management, 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 trying to conceive. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Contraceptive and procreative management.

Code Identity

ICD-10-CM Code
Z31.9
Billable Status
Yes — Valid for Submission
Code Describes
Encounter for procreative management, unspecified
Short Description
Encounter for procreative management, unspecified
Same as the full description in the CMS dataset.
Parent Code
Z31
Encounter for procreative management

Code Classification

ChapterZ00–Z99Factors influencing health status and contact with health services
SectionZ30-Z39Persons encountering health services in circumstances related to reproduction
CategoryZ31Encounter for procreative management
This CodeZ31.9Encounter for procreative management, unspecified

Code EditsBilling

Medicare Code Editor checks that affect claim validity for Z31.9.

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

Z31.9 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.

  • Trying to conceive

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.

    • Admission(for)
      • procreative management
    • Management(of)
      • procreative

Clinical ClassificationClinical

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

CCSR FAC013
Contraceptive and procreative management
Default principal diagnosis: inpatient No · outpatient Yes

Convert Z31.9 to ICD-9-CMHistory

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

ICD-9-CM
V26.9 Procreative mangmt NOS
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 Z31.9Overview

Is Z31.9 (Encounter for procreative management) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report encounter for procreative management, unspecified on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

Can Z31.9 be a principal diagnosis?

No. The Medicare Code Editor rejects this code as a principal diagnosis because encounter for procreative management, unspecified describes a circumstance that influences health status rather than a current illness. Report it as a secondary diagnosis.

Is Z31.9 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 encounter for procreative management, unspecified on inpatient claims.

What is the ICD-9 equivalent of Z31.9?

Under the General Equivalence Mappings, encounter for procreative management, unspecified converts to ICD-9-CM V26.9 (procreative mangmt NOS). The mapping is a direct match.