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2025 ICD-10-CM code Z22.330

Carrier of Group B streptococcus

This code should not be used as a primary diagnosis.It is used to indicate the carrier status in addition to the reason for the encounter. A procedure code should accompany Z22.330 if a procedure is performed. Do not use this code for GBS infections or if the GBS carrier state complicates pregnancy, which requires a code from category O99.82.

Medical necessity for testing and subsequent management is based on the potential risk of GBS infection, particularly in newborns and individuals undergoing certain medical procedures.

Clinicians use this code to document a patient's carrier status, which is important for infection control and preventive measures, especially in pregnant women.It is crucial to differentiate between simply carrying GBS and active GBS infection.

In simple words: This code indicates that a person is carrying Group B Strep bacteria, even if they are not sick.

This code identifies a person who is a carrier of Group B Streptococcus (GBS), but is not currently experiencing any symptoms or illness related to the bacteria.

Example 1: A pregnant woman tests positive for GBS during a routine prenatal screening. She is asymptomatic and receives antibiotics during labor to prevent transmission to the newborn., A patient undergoing a pre-surgical screening tests positive for GBS. Although asymptomatic, the medical team takes precautions to prevent potential infection during and after the procedure., An infant is found to be colonized with GBS shortly after birth, but does not develop any symptoms of infection. The infant is monitored closely, and treatment may be initiated if symptoms arise.

Documentation should include the results of the laboratory test confirming GBS carriage. The patient's lack of symptoms should also be clearly noted.

** Excludes1: Carrier of streptococcus group B (GBS) complicating pregnancy, childbirth and the puerperium (O99.82-)

  • Payment Status: Non-Billable/Non-Specific Code
  • Specialties:Obstetrics/gynecology, Infectious disease, Internal medicine, Family medicine, Pediatrics, Surgery
  • Place of Service:Office, Inpatient Hospital, On Campus-Outpatient Hospital, Off Campus-Outpatient Hospital, Outpatient Hospital
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