Z22
⚠ Non-billable
Carrier of infectious disease
ICD-10-CM · FY2026 · Factors Influencing Health Status
Code
Z22
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Factors Influencing Health Status
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code Z22?
ICD-10-CM code Z22 represents Carrier of infectious disease. It is a non-billable header code requiring a more specific subcategory in the Factors Influencing Health Status chapter, effective October 1, 2025 – September 30, 2026.
Is Z22 billable?
No. Z22 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is Z22 in?
Z22 belongs to the Factors Influencing Health Status chapter (Z00–Z99) of ICD-10-CM.
Related codes in the Z22 category
Z22.0
Carrier of typhoid
Billable
Z22.1
Carrier of other intestinal infectious diseases
Billable
Z22.2
Carrier of diphtheria
Billable
Z22.3
Carrier of other specified bacterial diseases
Non-billable
Z22.4
Carrier of infections with a predominantly sexual mode of transmission
Billable
Z22.6
Carrier of human T-lymphotropic virus type-1 [HTLV-1] infection
Billable
Z22.7
Latent tuberculosis
Billable
Z22.8
Carrier of other infectious diseases
Billable
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