Z33Header code — not billable

Pregnant state

Chapter
21. Factors influencing health status and contact with health services
Category
Z33
Effective date
October 1, 2026

Related codes in category Z33

Z33.1Pregnant state, incidentalYesZ33.2Encounter for elective termination of pregnancyYesZ33.3Pregnant state, gestational carrierYes

Frequently asked questions

What is ICD-10 code Z33?

Z33 is an ICD-10-CM diagnosis code for Pregnant state.

Is Z33 a billable code?

No. Z33 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is Z33 in?

Z33 falls under Chapter 21: Factors influencing health status and contact with health services.

When did Z33 become effective?

Z33 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to Z33?

Z33 belongs to category Z33, which includes 3 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.