33 Modifier in Medical Billing
The 33 modifier is used to indicate that a preventive service was provided.
33 Modifier in Medical Billing Explained
In medical billing, the 33 modifier is added to claims for preventive services, ensuring that these services are covered without patient cost-sharing under certain health plans. This applies to services like screenings or wellness visits.
For example, a provider bills for a routine mammogram using the 33 modifier to ensure the service is covered as a preventive service.
Learn more about common acronyms and abbreviations in Medical billing glossary.
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