Non-Billable / Non-Specific Code
ICD-10-CM Z22.35 is the diagnosis code for Carrier of Enterobacterales. This code falls under the section "Persons with potential health hazards related to communicable diseases" within Chapter 21 — 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.
Understanding where Z22.35 sits in the ICD-10-CM classification helps ensure proper coding:
No, Z22.35 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
Z22.35 is the ICD-10-CM diagnosis code for "Carrier of Enterobacterales". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of Z22.35 is Z22.3 ("Carrier of other specified bacterial diseases"). Z22.35 provides a more specific classification within this category.
Z22.35 is located in Section Z20-Z29 — "Persons with potential health hazards related to communicable diseases" within Chapter 21 of the ICD-10-CM Tabular List.
Z22.35 has 3 sub-code(s) that provide more specific detail: Z22.350, Z22.358, Z22.359.
Use Z22.35 when the patients documented diagnosis matches "Carrier of Enterobacterales" 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 Enterobacterales is Z22.35.
No, Z22.35 is non-billable. Use a more specific sub-code for primary diagnosis billing.
Z22.35 is in Chapter 21 of the ICD-10-CM Tabular List.
Yes, Z22.35 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.