PLEASE NOTE: As of 2023, these codes have been removed by CMS and the AMA. CPT Code 99355 is a prolonged service CPT code add-on. 99355 cannot be billed alone and must be billed with an appropriate procedure code as well as another prolonged service code, 99354. Add-on Code 99355 fits into a sub-group of […]
CPT Code 99355: The Definitive Guide



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