ICD-10-CM Z22: Carrier of infectious disease

ICD-10-CM Diagnosis Code (2025)

Official Description for Z22

Carrier of infectious disease

Coding Notes & Guidelines for Z22

Includes Notes
  • colonization status
  • suspected carrier
Excludes1: Not Coded Here

Carrier of streptococcus group B (GBS) complicating pregnancy, childbirth and the puerperium (O99.82-)

Excludes1: Not Coded Here
  • nonspecific reaction to cell mediated immunity measurement of gamma interferon antigen response without active tuberculosis (R76.12)
  • nonspecific reaction to tuberculin skin test without active tuberculosis (R76.11)
Excludes2: Not Included Here

carrier of viral hepatitis (B18.-)

Inclusion Terms

MSSA colonization

Inclusion Terms

MRSA colonization

Inclusion Terms
  • Carrier of E. coli
  • Carrier of K. pneumoniae
Inclusion Terms
  • Carrier of carbapenem-sensitive Enterobacterales
  • Carrier of ESBL-producing Enterobacterales
  • Carrier of extended-spectrum beta-lactamase producing Enterobacterales
Inclusion Terms

Latent tuberculosis infection (LTBI)

Child Codes (More Specific Codes for Z22):

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 Z22.31 - 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

About ICD-10-CM Code Z22 (Carrier of infectious disease)

ICD-10-CM code Z22 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM Z22 became effective on October 1, 2024.

This page provides detailed information about Z22 - Carrier of infectious disease. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Carrier of infectious disease.