Non-Billable / Non-Specific Code
ICD-10-CM Z22 is the diagnosis code for Carrier of infectious disease. This code falls under the section "Persons with potential health hazards related to communicable diseases" within Chapter 21 â Factors influencing health status and contact with health services (Z00-Z99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions are not included in Z22. If the patient has both, code each condition separately:
Understanding where Z22 sits in the ICD-10-CM classification helps ensure proper coding:
No, Z22 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
Z22 is the ICD-10-CM diagnosis code for "Carrier of infectious disease". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
Z22 is located in Section Z20-Z29 â "Persons with potential health hazards related to communicable diseases" within Chapter 21 of the ICD-10-CM Tabular List.
Z22 has 9 sub-code(s) that provide more specific detail: Z22.0, Z22.1, Z22.2, Z22.3, Z22.4 and more.
Use Z22 when the patients documented diagnosis matches "Carrier of infectious disease" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Carrier of infectious disease is Z22.
No, Z22 is non-billable. Use a more specific sub-code for primary diagnosis billing.
Z22 is in Chapter 21 of the ICD-10-CM Tabular List.
Yes, Z22 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.