2026 ICD-10-CM Diagnosis Code Z36.89Encounter for other specified antenatal screening

ICD-10-CM Codes›Z00–Z99›Z30-Z39›Z36

ICD-10-CM Z36.89
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Z36.89 is a billable ICD-10-CM diagnosis code for encounter for other specified antenatal screening. 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) and exempt from POA reporting. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Antenatal screening.

Code Identity

ICD-10-CM Code
Z36.89
Billable Status
Yes — Valid for Submission
Code Describes
Encounter for other specified antenatal screening
Short Description
Encounter for other specified antenatal screening
Same as the full description in the CMS dataset.
Parent Code
Z36.8
Encounter for other antenatal screening

Code Classification

ChapterZ00–Z99Factors influencing health status and contact with health services
SectionZ30-Z39Persons encountering health services in circumstances related to reproduction
CategoryZ36Encounter for antenatal screening of mother
This CodeZ36.89Encounter for other specified antenatal screening

Code EditsBilling

Medicare Code Editor checks that affect claim validity for Z36.89.

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).

Present on Admission (POA)Billing

Z36.89 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.

  • AFP - blood sent
  • AFP blood test wanted
  • Alpha-fetoprotein blood test status
  • Antenatal hepatitis B blood screening test sent
  • Antenatal hepatitis B blood screening test status
  • Antenatal HIV blood screening test requested
  • Antenatal HIV blood screening test sent
  • Antenatal HIV blood screening test status
  • Antenatal thalassemia blood screening test requested
  • Antenatal thalassemia blood screening test sent
  • Antenatal thalassemia blood screening test status

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.

    • Encounter(with health service) (for)
      • antenatal screening
        • specified type NEC

Clinical ClassificationClinical

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

CCSR PRG001
Antenatal screening
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Prenatal Care

Prenatal care is the health care you get while you are pregnant. It includes your checkups and prenatal testing. Typically, a health care provider specializing in the delivery of babies and the care of pregnant women, such as an obstetrician or a midwife, provides prenatal care.

The full article covers:

  • What is prenatal care?
  • Why do I need prenatal care?
  • How often do I need prenatal visits?
  • What happens during prenatal visits?

Read the full article at MedlinePlus

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

Convert Z36.89 to ICD-9-CMHistory

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

ICD-9-CM
V28.89 Antenatal screening NEC
Approximate The match is approximate rather than exact.

Code History & ChangesHistory

Replacement Z36.89 replaces the following previously assigned code(s):

  • Z36 - Encounter for antenatal screening of mother
FY 2018AddedAdded to the ICD-10-CM code setEffective October 1, 2017.
FY 2019–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About Z36.89Overview

Is Z36.89 (Encounter for other antenatal screening) a billable code?

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

Who can Z36.89 be reported for?

The Medicare Code Editor checks encounter for other specified antenatal screening against patient demographics: this code is intended for maternity cases (age 9 through 64). Claims outside these limits are flagged as inconsistent.

Is Z36.89 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 other specified antenatal screening on inpatient claims.

What is the ICD-9 equivalent of Z36.89?

Under the General Equivalence Mappings, encounter for other specified antenatal screening converts to ICD-9-CM V28.89 (antenatal screening NEC). The mapping is approximate, so confirm the match fits the documentation.