Z22Header code — not billable
Carrier of infectious disease
- Chapter
- 21. Factors influencing health status and contact with health services
- Category
- Z22
- Effective date
- October 1, 2026
Related codes in category Z22
Z22.0Carrier of typhoidYesZ22.1Carrier of other intestinal infectious diseasesYesZ22.2Carrier of diphtheriaYesZ22.3Carrier of other specified bacterial diseasesZ22.31Carrier of bacterial disease due to meningococciYesZ22.32Carrier of bacterial disease due to staphylococciZ22.321Carrier or suspected carrier of methicillin suscep staphYesZ22.322Carrier or suspected carrier of methicillin resis staphYesZ22.33Carrier of bacterial disease due to streptococciZ22.330Carrier of Group B streptococcusYesZ22.338Carrier of other streptococcusYesZ22.34Carrier of Acinetobacter baumannii
Frequently asked questions
What is ICD-10 code Z22?
Z22 is an ICD-10-CM diagnosis code for Carrier of infectious disease.
Is Z22 a billable code?
No. Z22 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 in?
Z22 falls under Chapter 21: Factors influencing health status and contact with health services.
When did Z22 become effective?
Z22 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to Z22?
Z22 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.