An ultrasound probe (202) having an operational indicator assembly (204) for indicating operational data relating to the ultrasound probe (202), and especially data relating to the sterility of the ultrasound probe (202), is provided. The ultrasound probe (202) has a housing (203) fabricated from materials suitable for internal and non-internal medical use. At least one ultrasound transducer (209) is housed by the housing (203) and positioned to direct ultrasound energy along a propagation path to the patient. The operational indicator assembly (204) indicates operational data relating to the ultrasound probe (202) to an operator thereof and especially data relating to the disinfection status of the ultrasound probe (202).
