Billable / Specific Code
ICD-10-CM Z22.330 is the diagnosis code for Carrier of Group B streptococcus. 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 billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. 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 should never be coded at the same time as Z22.330. They are mutually exclusive:
Understanding where Z22.330 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, Z22.330 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Z22.330 is the ICD-10-CM diagnosis code for "Carrier of Group B streptococcus". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of Z22.330 is Z22.33 ("Carrier of bacterial disease due to streptococci"). Z22.330 provides a more specific classification within this category.
Z22.330 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.
Use Z22.330 when the patients documented diagnosis matches "Carrier of Group B streptococcus" 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 Group B streptococcus is Z22.330.
Yes, Z22.330 can be used as a primary diagnosis code since it is billable and specific.
Z22.330 is in Chapter 21 of the ICD-10-CM Tabular List.
Type 1 Excludes for Z22.330 include: Carrier of streptococcus group B (GBS) complicating pregnancy, childbirth and the puerperium (O99.82-).
Yes, Z22.330 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.