Z22.322 is the authoritative medical code for Carrier or suspected carrier of Methicillin resistant Staphylococcus aureus. This classification is used in medical billing and clinical recording to specify the clinical criteria for carrier or suspected carrier of methicillin resistant staphylococcus aureus (ICD-10-CM Z22.322), 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 or suspected carrier of Methicillin resistant Staphylococcus aureus is a billable ICD-10-CM diagnosis code Z22.322. Includes: colonization status; suspected carrier. Inclusion terms: MRSA colonization. Excludes2 (not included here): carrier of viral hepatitis B18.-.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for Z22.322 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
Inclusion Terms
Alternative terms the tabular list files under this code.
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 Z22.322 be reported alongside related conditions?
Per Excludes2 instructions, Z22.322 and the following may both be reported when both are present: carrier of viral hepatitis (B18.-).
What conditions are included under Z22.322?
Carrier or suspected carrier of Methicillin resistant Staphylococcus aureus includes: MRSA colonization.
Codes in This Family (25)
Official ICD-10-CM classifications in the same code family as Z22.322, with their registry titles.
- Z22 — Carrier of infectious disease
- 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
- Z22.33 — 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), bacterial disease NEC, staphylococcal (Methicillin susceptible), Methicillin resistant
- Carrierof (suspected), staphylococci (Methicillin susceptible), Methicillin resistant
- Colonization, MRSA (Methicillin resistant Staphylococcus aureus)
- Positive, culture (nonspecific), nose, staphylococcus (Methicillin susceptible), Methicillin resistant
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: