2026 ICD-10-CM Diagnosis Code Z39.2Encounter for routine postpartum follow-up

ICD-10-CM Codes›Z00–Z99›Z30-Z39›Z39

ICD-10-CM Z39.2
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Z39.2 is a billable ICD-10-CM diagnosis code for encounter for routine postpartum follow-up. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The code is restricted by the Medicare Code Editor to maternity cases (age 9 through 64), not accepted as a principal diagnosis, and exempt from POA reporting. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Uncomplicated pregnancy, delivery or puerperium.

Code Identity

ICD-10-CM Code
Z39.2
Billable Status
Yes — Valid for Submission
Code Describes
Encounter for routine postpartum follow-up
Short Description
Encounter for routine postpartum follow-up
Same as the full description in the CMS dataset.
Parent Code
Z39
Encounter for maternal postpartum care and examination

Code Classification

ChapterZ00–Z99Factors influencing health status and contact with health services
SectionZ30-Z39Persons encountering health services in circumstances related to reproduction
CategoryZ39Encounter for maternal postpartum care and examination
This CodeZ39.2Encounter for routine postpartum follow-up

Code EditsBilling

Medicare Code Editor checks that affect claim validity for Z39.2.

Maternity diagnoses
The Medicare Code Editor detects inconsistencies in maternity cases by checking a patient's age and any diagnosis on the patient's record. The maternity code edits apply to patients age ange is 9–64 years inclusive (e.g., diabetes in pregnancy, antepartum pulmonary complication).
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

Z39.2 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.

  • Childbirth within last 4 weeks
  • Color of lochia - finding
  • Early postpartum state
  • Finding of consistency of lochia
  • Finding of involution of uterus
  • Finding of quantity of lochia
  • Late postpartum state
  • Lochia absent
  • Lochia ceased
  • Lochia minimal
  • Lochia normal
  • Lochia present
  • Lochia reducing
  • Lochia rubra
  • Lochia scanty
  • Lochia thick
  • Lochia watery
  • Loss of fundal mass after delivery
  • Mid postpartum state
  • No further involution of the uterus
  • Postnatal care from consultant
  • Postnatal care from general practitioner
  • Postnatal care greater than 48 hours after birth
  • Postnatal care provider
  • Postnatal care status
  • Postnatal shared care
  • Postpartum period, 1 day
  • Postpartum period, 2 days
  • Postpartum period, 3 days
  • Postpartum period, 4 days
  • Postpartum period, 5 days
  • Postpartum period, 6 days
  • Postpartum period, 7 days
  • Postpartum state, 2 weeks
  • Postpartum state, 3 weeks
  • Postpartum state, 4 weeks
  • Postpartum state, 5 weeks
  • Postpartum state, 6 weeks
  • Uterus involuted
  • Uterus involuting

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)
      • aftercare
        • postpartum
          • routine follow-up
    • Admission(for)
      • examination at health care facility (adult)
        • postpartum checkup
    • Admission(for)
      • postpartum observation
        • routine follow-up
    • Care(of) (for) (following)
      • postpartum
        • routine follow-up
    • Examination(for) (following) (general) (of) (routine)
      • follow-up (routine) (following)
        • postpartum
    • Examination(for) (following) (general) (of) (routine)
      • postpartum
        • routine follow-up
    • Observation(following) (for) (without need for further medical care)
      • postpartum
        • routine follow-up
    • Status(post)
      • postpartum (routine follow-up)

Clinical ClassificationClinical

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

CCSR PRG029
Uncomplicated pregnancy, delivery or puerperium
Default principal diagnosis: inpatient No · outpatient Yes

Patient EducationClinical

Postpartum Care

Taking home a new baby is one of the happiest times in a woman's life. But it also presents both physical and emotional challenges. :

Read the full article at MedlinePlus

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

Convert Z39.2 to ICD-9-CMHistory

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

ICD-9-CM
V24.2 Rout postpart follow-up
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 Z39.2Overview

Is Z39.2 (Encounter for maternal postpartum care and examination) a billable code?

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

Can Z39.2 be a principal diagnosis?

No. The Medicare Code Editor rejects this code as a principal diagnosis because encounter for routine postpartum follow-up describes a circumstance that influences health status rather than a current illness. Report it as a secondary diagnosis.

Who can Z39.2 be reported for?

The Medicare Code Editor checks encounter for routine postpartum follow-up against patient demographics: this code is intended for maternity cases (age 9 through 64). Claims outside these limits are flagged as inconsistent.

Is Z39.2 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 routine postpartum follow-up on inpatient claims.

What is the ICD-9 equivalent of Z39.2?

Under the General Equivalence Mappings, encounter for routine postpartum follow-up converts to ICD-9-CM V24.2 (rout postpart follow-up). The mapping is a direct match.