2026 ICD-10-CM Diagnosis Code Z34Encounter for supervision of normal pregnancy

ICD-10-CM Codes›Z00–Z99›Z30-Z39›Z34

ICD-10-CM Z34
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Z34 is a non-billable ICD-10-CM category code for encounter for supervision of normal pregnancy, so it cannot be submitted on claims. Use a more specific code from this category instead, such as Z34.00, Z34.01, Z34.02, and Z34.03.

Code Identity

ICD-10-CM Code
Z34
Billable Status
No — Non-Billable Category
Code Describes
Encounter for supervision of normal pregnancy
Chapter
Z30-Z39
Persons encountering health services in circumstances related to reproduction

Code Classification

ChapterZ00–Z99Factors influencing health status and contact with health services
SectionZ30-Z39Persons encountering health services in circumstances related to reproduction
CategoryZ34Encounter for supervision of normal pregnancy
This CodeZ34Encounter for supervision of normal pregnancy

Specific Coding for Encounter for supervision of normal pregnancyOverview

Non-specific codes like Z34 require more characters. Use one of these billable codes instead:

  • Z34.0 for Encounter for supervision of normal first pregnancy

  • Use Z34.00 for Encounter for supervision of normal first pregnancy, unspecified trimester

  • Use Z34.01 for Encounter for supervision of normal first pregnancy, first trimester

  • Use Z34.02 for Encounter for supervision of normal first pregnancy, second trimester

  • Use Z34.03 for Encounter for supervision of normal first pregnancy, third trimester

  • Z34.8 for Encounter for supervision of other normal pregnancy

  • Use Z34.80 for Encounter for supervision of other normal pregnancy, unspecified trimester

  • Use Z34.81 for Encounter for supervision of other normal pregnancy, first trimester

  • Use Z34.82 for Encounter for supervision of other normal pregnancy, second trimester

  • Use Z34.83 for Encounter for supervision of other normal pregnancy, third trimester

  • Z34.9 for Encounter for supervision of normal pregnancy, unspecified

  • Use Z34.90 for Encounter for supervision of normal pregnancy, unspecified, unspecified trimester

  • Use Z34.91 for Encounter for supervision of normal pregnancy, unspecified, first trimester

  • Use Z34.92 for Encounter for supervision of normal pregnancy, unspecified, second trimester

  • Use Z34.93 for Encounter for supervision of normal pregnancy, unspecified, third trimester

Tabular List NotesGuidance

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

Type 1 Excludes

  • any complication of pregnancy O00 O9A
  • encounter for pregnancy test Z32.0
  • encounter for supervision of high risk pregnancy O09

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.

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 Z34Overview

Is Z34 (Encounter for supervision of normal pregnancy) a billable code?

No. This is a category header that groups the codes for encounter for supervision of normal pregnancy, and headers cannot be submitted on claims. Claims for encounter for supervision of normal pregnancy need a more specific code from this category, such as Z34.00, Z34.01, and Z34.02.