DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

Z22 Carrier of infectious disease

  • Header · not billable

Z22 is not billable. The category heads 20 billable codes in FY2027, grouped under 9 subdivisions.

Index → code

  • LTBI (latent tuberculosis infection) → Z22.7
  • Carrier (suspected) ofcholera → Z22.1
  • Carrier (suspected) oftyphoid → Z22.0

Where it sits

  1. Chapter 21 Factors influencing health status and contact with health services (Z00-Z99)
  2. Z20-Z29 Persons with potential health hazards related to communicable diseases (Z20-Z29)
  3. Z22 Carrier of infectious disease
Billable codes
20
Subdivisions
9
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
52

Codes in Z22

  1. Z22.0
    Carrier of typhoid
    BillableExempt
  2. Z22.1
    Carrier of other intestinal infectious diseases
    BillableExempt
  3. Z22.2
    Carrier of diphtheria
    BillableExempt
  4. Z22.3
    Carrier of other specified bacterial diseases
    Header
  5. Z22.31
    Carrier of bacterial disease due to meningococci
    BillableExempt
  6. Z22.32
    Carrier of bacterial disease due to staphylococci
    Header
  7. Z22.321
    Carrier or suspected carrier of Methicillin susceptible Staphylococcus aureus
    BillableExempt
    Inclusion terms 1

    Inclusion terms

    • MSSA colonization
  8. Z22.322
    Carrier or suspected carrier of Methicillin resistant Staphylococcus aureus
    BillableExempt
    Inclusion terms 1

    Inclusion terms

    • MRSA colonization
  9. Z22.33
    Carrier of bacterial disease due to streptococci
    Header
  10. Z22.330
    Carrier of Group B streptococcus
    BillableExempt
    Excludes1 1

    Excludes1

    • Carrier of streptococcus group B (GBS) complicating pregnancy, childbirth and the puerperium (O99.82-) O99.82
  11. Z22.338
    Carrier of other streptococcus
    BillableExempt
  12. Z22.34
    Carrier of Acinetobacter baumannii
    Header
  13. Z22.340
    Carrier of carbapenem-resistant Acinetobacter baumannii
    BillableExempt
  14. Z22.341
    Carrier of carbapenem-sensitive Acinetobacter baumannii
    BillableExempt
  15. Z22.349
    Carrier of Acinetobacter baumannii, unspecified
    BillableExempt
  16. Z22.35
    Carrier of Enterobacterales
    Header
    Inclusion terms 2

    Inclusion terms

    • Carrier of E. coli
    • Carrier of K. pneumoniae
  17. Z22.350
    Carrier of carbapenem-resistant Enterobacterales
    BillableExempt
  18. Z22.358
    Carrier of other Enterobacterales
    BillableExempt
    Inclusion terms 3

    Inclusion terms

    • Carrier of carbapenem-sensitive Enterobacterales
    • Carrier of ESBL-producing Enterobacterales
    • Carrier of extended-spectrum beta-lactamase producing Enterobacterales
  19. Z22.359
    Carrier of Enterobacterales, unspecified
    BillableExempt
  20. Z22.39
    Carrier of other specified bacterial diseases
    BillableExempt
  21. Z22.4
    Carrier of infections with a predominantly sexual mode of transmission
    BillableExempt
  22. Z22.6
    Carrier of human T-lymphotropic virus type-1 [HTLV-1] infection
    BillableExempt
  23. Z22.7
    Latent tuberculosis
    BillableExempt
    Inclusion terms 1, Excludes1 2

    Inclusion terms

    • Latent tuberculosis infection (LTBI)

    Excludes1

    • nonspecific reaction to cell mediated immunity measurement of gamma interferon antigen response without active tuberculosis (R76.12) R76.12
    • nonspecific reaction to tuberculin skin test without active tuberculosis (R76.11) R76.11
  24. Z22.8
    Carrier of other infectious diseases
    BillableExempt
  25. Z22.9
    Carrier of infectious disease, unspecified
    BillableExempt

Sources of each column.

Instructions

At Z22

Includes

  • colonization status
  • suspected carrier

Excludes2

  • carrier of viral hepatitis (B18.-) B18

Notes that also apply

Chapter 21 instructions (Notes 3): printed on the chapter 21 page.

Index entries

  • LTBI (latent tuberculosis infection) → Z22.7
  • Carrier (suspected) ofSalmonella typhosa → Z22.0
  • Carrier (suspected) oftyphoid → Z22.0
  • Typhoid (abortive) (ambulant) (any site) (clinical) (fever) (hemorrhagic) (infection) (intermittent) (malignant) (rheumatic) (Widal negative)carrier (suspected) of → Z22.0
  • Carrier (suspected) ofamebiasis → Z22.1
  • Carrier (suspected) ofcholera → Z22.1
  • Carrier (suspected) ofgastrointestinal pathogens NEC → Z22.1
  • Carrier (suspected) ofdiphtheria → Z22.2
  • Diphtheria, diphtheritic (gangrenous) (hemorrhagic)carrier (suspected) → Z22.2
  • Carrier (suspected) ofmeningococci → Z22.31
  • Meningococcus, meningococcalcarrier (suspected) of → Z22.31
  • Carrier (suspected) ofstaphylococci (Methicillin susceptible) → Z22.321
  • ColonizationMSSA (Methicillin susceptible Staphylococcus aureus) → Z22.321
  • ColonizationMRSA (Methicillin resistant Staphylococcus aureus) → Z22.322
  • Carrier (suspected) ofstreptococci → Z22.338
  • Carrier (suspected) ofAcinetobacter baumannii → Z22.349
  • Carrier (suspected) ofE. coli (Escherichia coli) → Z22.35-
  • Carrier (suspected) ofK. pneumoniae (Klebsiella pneumoniae) → Z22.35-
  • Carrier (suspected) ofEnterobacterales → Z22.359
  • Carrier (suspected) ofbacterial disease NEC → Z22.39
  • Carrier (suspected) ofgonorrhea → Z22.4
  • Carrier (suspected) ofsyphilis → Z22.4
  • Carrier (suspected) ofvenereal disease NEC → Z22.4
  • Carrier (suspected) ofhuman T-cell lymphotropic virus type-1 (HTLV-1) infection → Z22.6
  • Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative)latent → Z22.7
  • Carrier (suspected) ofinfectious organism → Z22.9
  • Carrier (suspected) ofbacterial disease NECtyphoid → Z22.0
  • Carrier (suspected) ofbacterial disease NECintestinal infectious NEC → Z22.1
  • Carrier (suspected) ofbacterial disease NECdiphtheria → Z22.2
  • Carrier (suspected) ofbacterial disease NECmeningococcal → Z22.31
  • Carrier (suspected) ofbacterial disease NECstaphylococcal (Methicillin susceptible) → Z22.321
  • Carrier (suspected) ofstaphylococci (Methicillin susceptible)Methicillin resistant → Z22.322
  • Carrier (suspected) ofstreptococcigroup B → Z22.330
  • Carrier (suspected) ofbacterial disease NECstreptococcal → Z22.338
  • Carrier (suspected) ofAcinetobacter baumanniicarbapenem-resistant → Z22.340
  • Carrier (suspected) ofAcinetobacter baumanniicarbapenem-sensitive → Z22.341
  • Carrier (suspected) ofEnterobacteralescarbapenem-resistant → Z22.350
  • Carrier (suspected) ofEnterobacteralescarbapenem-sensitive → Z22.358
  • Carrier (suspected) ofEnterobacteralesEnterobacterales, specified type NEC → Z22.358
  • Carrier (suspected) ofEnterobacteralesESBL-producing → Z22.358

12 more, longer entries are not listed; the search box finds them by word.

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy