Z22.9
BillableCarrier of infectious disease, unspecified
Carrier of infectious disease, unspecified
Coding Notes
Includes
Conditions included under this code
- colonization status
- suspected carrier
Related Codes(8)
Z22.0Carrier of typhoid
Z22.1Carrier of other intestinal infectious diseases
Z22.2Carrier of diphtheria
Z22.3Carrier of other specified bacterial diseases
Z22.4Carrier of infections w sexl mode of transmiss
Z22.6Carrier of human T-lymphotropic virus type-1 infection
Z22.7Latent tuberculosis
Z22.8Carrier of other infectious diseases
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(26)
SNOMED CT
- Carrier of infectious agent66598005
- Carrier of infectious organism66598005
- Infectious disease carrier66598005
- Critical colonisation of wound448194002
- Critical colonization of wound448194002
- Delayed healing of wound789507005
- Slow healing wound789507005
- Asymptomatic carrier of infectious organism on skin1340039001
- Asymptomatic carrier of infectious agent38691000087107
- Asymptomatic carrier of infectious disease38691000087107
- Asymptomatic carrier of infectious organism38691000087107
- Colonized patient38691000087107
Clinical Terms
- Asymptomatic carrier of infectious disease
- Asymptomatic carrier of infectious organism
- Infectious disease carrier
- Carrier of infectious organism
- Delayed healing of wound
- Asymptomatic carrier of infectious organism on skin
- Critical colonisation of wound
- Slow healing wound
- Asymptomatic carrier of infectious agent
- Colonized patient
- Critical colonization of wound
- Carrier of infectious agent
Frequently Asked Questions
What is the ICD-10 code for carrier of infectious disease, unspecified?
The ICD-10-CM code for carrier of infectious disease, unspecified is Z22.9. The full clinical description is "Carrier of infectious disease, unspecified". Z22.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code Z22.9 mean?
ICD-10-CM code Z22.9 represents “Carrier of infectious disease, unspecified”. It is classified under Chapter 22: Factors Influencing Health Status and Contact With Health Services and is a billable/specific code that can be used on a claim.
Is Z22.9 a billable code?
Yes, Z22.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is Z22.9 in?
Z22.9 is in Chapter 22: Factors Influencing Health Status and Contact With Health Services (codes Z00-Z99).
What SNOMED CT codes does Z22.9 map to?
Z22.9 maps to 5 SNOMED CT concepts: 38691000087107, 1340039001, 66598005, 448194002, 789507005. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for Z22.9?
Z22.9 is linked to 1 UMLS Concept Unique Identifier: C0481551. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does Z22.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like carrier of infectious disease, unspecified affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of Z22.9?
Z22.9 maps to the ICD-11 code: QD0Z (Carrier of infectious disease agent, unspecified).
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.