U.S. ICD-10-CM · FY 2027

Z22 ICD-10-CM Code: Carrier of infectious disease

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

Z22

Carrier of infectious disease

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where Z22 sits

  1. 1

    Chapter 21

    Factors influencing health status and contact with health services (Z00-Z99)

  2. 2

    Section

    Persons with potential health hazards related to communicable diseases (Z20-Z29)

  3. 3

    Category Z22

    Carrier of infectious disease

  4. 4

    Code Z22

    Carrier of infectious disease

More specific choices

Codes under Z22

Z22 is a non-billable category. Choose the child code that best matches the documented diagnosis.

Z22.0

Carrier of typhoid

Z22.1

Carrier of other intestinal infectious diseases

Z22.2

Carrier of diphtheria

Z22.3

Carrier of other specified bacterial diseases

Z22.4

Carrier of infections with a predominantly sexual mode of transmission

Z22.6

Carrier of human T-lymphotropic virus type-1 [HTLV-1] infection

Z22.7

Latent tuberculosis

Z22.8

Carrier of other infectious diseases

Z22.9

Carrier of infectious disease, unspecified

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for Z22.

Code first

No “code first” instruction is listed for Z22.

Use additional code

No “use additional code” instruction is listed for Z22.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for Z22.

Excludes2

Conditions not included here that may be reported separately when present.

  • carrier of viral hepatitis (B18.-)

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code Z22 mean?

Z22 is the FY 2027 U.S. ICD-10-CM code for “Carrier of infectious disease.”

Is Z22 a billable or specific ICD-10-CM code?

No. Z22 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is Z22 located in ICD-10-CM?

Z22 is listed in Chapter 21, Factors influencing health status and contact with health services (Z00-Z99), within Persons with potential health hazards related to communicable diseases (Z20-Z29) (Z20–Z29), under category Z22, Carrier of infectious disease.

What coding notes are listed for Z22?

No inclusion terms are listed for Z22 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. Excludes2 notes: carrier of viral hepatitis (B18.-).

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