Z22.35Header code — not billable

Carrier of Enterobacterales

Chapter
21. Factors influencing health status and contact with health services
Category
Z22
Effective date
October 1, 2026

Related codes in category Z22

Frequently asked questions

What is ICD-10 code Z22.35?

Z22.35 is an ICD-10-CM diagnosis code for Carrier of Enterobacterales.

Is Z22.35 a billable code?

No. Z22.35 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 Z22.35 in?

Z22.35 falls under Chapter 21: Factors influencing health status and contact with health services.

When did Z22.35 become effective?

Z22.35 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to Z22.35?

Z22.35 belongs to category Z22, which includes 12 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.