2026 ICD-10-CM Diagnosis Code Z33Pregnant state

ICD-10-CM Codes›Z00–Z99›Z30-Z39›Z33

ICD-10-CM Z33
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Z33 is a non-billable ICD-10-CM category code for pregnant state, so it cannot be submitted on claims. Use a more specific code from this category instead, such as Z33.1, Z33.2, and Z33.3.

Code Identity

ICD-10-CM Code
Z33
Billable Status
No — Non-Billable Category
Code Describes
Pregnant state
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
CategoryZ33Pregnant state
This CodeZ33Pregnant state

Specific Coding for Pregnant stateOverview

Non-specific codes like Z33 require more characters. Use one of these billable codes instead:

  • Use Z33.1 for Pregnant state, incidental

  • Use Z33.2 for Encounter for elective termination of pregnancy

  • Use Z33.3 for Pregnant state, gestational carrier

Patient EducationClinical

Pregnancy

You're going to have a baby! It's an exciting time, but it can also feel a bit overwhelming. You may have a lot of questions, including what you can do to give your baby a healthy start. Taking care of your health while you're pregnant will help your fetus develop into a healthy baby. To do that, it's important to:

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 Z33Overview

Is Z33 (Pregnant state) a billable code?

No. This is a category header that groups the codes for pregnant state, and headers cannot be submitted on claims. Claims for pregnant state need a more specific code from this category, such as Z33.1, Z33.2, and Z33.3.