Z22.330 – Carrier of Group B streptococcus

ICD-10-CM 2027 diagnosis code · Persons with potential health hazards related to communicable diseases

Billable code

ICD-10-CM code Z22.330

Code: Z22.330 (claims format: Z22330)
Description: Carrier of Group B streptococcus
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 21. Factors influencing health status and contact with health services (Z00-Z99)
Block: Z20-Z29 Persons with potential health hazards related to communicable diseases
Parent codes: Z22 › Z22.3 › Z22.33

Notes for Z22.330

Excludes1 (not coded here):

Carrier of streptococcus group B (GBS) complicating pregnancy, childbirth and the puerperium (O99.82-)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Z22 – Carrier of infectious disease

Includes:

colonization status
suspected carrier

Excludes2 (not included here):

carrier of viral hepatitis (B18.-)

Index terms for Z22.330

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in Z22.33

Z22.338 – Carrier of other streptococcusBillable

Frequently asked questions

What is ICD-10 code Z22.330?

Z22.330 is the ICD-10-CM code for carrier of Group B streptococcus, in the block Z20-Z29 (Persons with potential health hazards related to communicable diseases).

Is Z22.330 a billable code?

Yes. Z22.330 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does Z22.330 belong to?

It belongs to category Z22 – Carrier of infectious disease.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.