Z22: Carrier of infectious disease

Codes under Z22 (Carrier of infectious disease). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
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	✓
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	—
Z22.34	Carrier of Acinetobacter baumannii	—
Z22.35	Carrier of Enterobacterales	—
Z22.39	Carrier of other specified bacterial diseases	✓
Z22.321	Carrier or suspected carrier of Methicillin susceptible Staphylococcus aureus	✓
Z22.322	Carrier or suspected carrier of Methicillin resistant Staphylococcus aureus	✓
Z22.330	Carrier of Group B streptococcus	✓
Z22.338	Carrier of other streptococcus	✓
Z22.340	Carrier of carbapenem-resistant Acinetobacter baumannii	✓
Z22.341	Carrier of carbapenem-sensitive Acinetobacter baumannii	✓
Z22.349	Carrier of Acinetobacter baumannii, unspecified	✓
Z22.350	Carrier of carbapenem-resistant Enterobacterales	✓
Z22.358	Carrier of other Enterobacterales	✓
Z22.359	Carrier of Enterobacterales, unspecified	✓

More free billing tools: all ICD-10 categories · ICD-10 search · denial codes · Medicare fees

Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

Code the diagnosis right