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9 Contact with and (suspected) exposure to unspecified communicable disease
Z21 Asymptomatic human immunodeficiency virus [HIV] infection status
- Includes: HIV positive NOS
- Code first: Human immunodeficiency [HIV] disease complicating pregnancy, childbirth and the puerperium, if applicable (O98.7-)
- Excludes1: acquired immunodeficiency syndrome (B20)
- contact with human immunodeficiency virus [HIV] (Z20.6)
- exposure to human immunodeficiency virus [HIV] (Z20.6)
- human immunodeficiency virus [HIV] disease (B20)
- inconclusive laboratory evidence of human immunodeficiency virus [HIV] (R75)
Z22 Carrier of infectious disease
- Includes: colonization status
- suspected carrier
- 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
- Z22.33 Carrier of bacterial disease due to streptococci
- Z22.330 Carrier of Group B streptococcus
- Z22.338 Carrier of other streptococcus
- Z22.39 Carrier of other specified bacterial diseases
- Z22.4 Carrier of infections with a predominantly sexual mode of transmission
- Z22.5 Carrier of viral hepatitis
- Z22.50 Carrier of unspecified viral hepatitis
- Z22.51 Carrier of viral hepatitis B
- Hepatitis B surface antigen [HBsAg] carrier
- Z22.52 Carrier of viral hepatitis C
- Z22.59 Carrier of other viral hepatitis
- Z22.6 Carrier of human T-lymphotropic virus type-1 [HTLV-1] infection
- Z22.8 Carrier of other infectious diseases
- Z22.9 Carrier of infectious disease, unspecified
Z23 Encounter for immunization
- Code first any routine childhood examination
- Note: procedure codes are required to identify the types of immunizations given
==Z28
