Z22.1 is the authoritative medical code for Carrier of other intestinal infectious diseases. This classification is used in medical billing and clinical recording to specify the clinical criteria for carrier of other intestinal infectious diseases (ICD-10-CM Z22.1), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Carrier of other intestinal infectious diseases is a billable ICD-10-CM diagnosis code Z22.1. Includes: colonization status; suspected carrier. Excludes2 (not included here): carrier of viral hepatitis B18.-.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for Z22.1 in the official ICD-10-CM tabular list.
Includes
Conditions the official ICD-10-CM tabular list includes under this code.
- colonization status
- suspected carrier
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- carrier of viral hepatitis B18.-
Frequently Asked Questions (FAQ) & Clinical Guidance
Can Z22.1 be reported alongside related conditions?
Per Excludes2 instructions, Z22.1 and the following may both be reported when both are present: carrier of viral hepatitis (B18.-).
Codes in This Family (25)
Official ICD-10-CM classifications in the same code family as Z22.1, with their registry titles.
- Z22 — Carrier of infectious disease
- Z22.0 — Carrier of typhoid
- Z22.2 — Carrier of diphtheria
- Z22.3 — Carrier of other specified bacterial diseases
- Z22.31 — Carrier of bacterial disease due to meningococci
- Z22.32 — Carrier of bacterial disease due to staphylococci
- Z22.321 — Carrier or suspected carrier of Methicillin susceptible Staphylococcus aureus
- Z22.322 — Carrier or suspected carrier of Methicillin resistant Staphylococcus aureus
- Z22.33 — Carrier of bacterial disease due to streptococci
- Z22.330 — Carrier of Group B streptococcus
- Z22.338 — Carrier of other streptococcus
- Z22.34 — Carrier of Acinetobacter baumannii
- Z22.340 — Carrier of carbapenem-resistant Acinetobacter baumannii
- Z22.341 — Carrier of carbapenem-sensitive Acinetobacter baumannii
- Z22.349 — Carrier of Acinetobacter baumannii, unspecified
- Z22.35 — Carrier of Enterobacterales
- Z22.350 — Carrier of carbapenem-resistant Enterobacterales
- Z22.358 — Carrier of other Enterobacterales
- Z22.359 — Carrier of Enterobacterales, unspecified
- Z22.39 — 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
Indexed Clinical Terms (4)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Carrierof (suspected), amebiasis
- Carrierof (suspected), bacterial disease NEC, intestinal infectious NEC
- Carrierof (suspected), cholera
- Carrierof (suspected), gastrointestinal pathogens NEC
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures: