Add-on codes are reimbursable services when reported in addition to the appropriate primary service by the same outpatient hospital on the same date of service unless otherwise specified within the policy. Add-on codes reported as Stand-alone codesarenot reimbursable services in accordance with Current Procedural Terminology (CPT®)and the Centers for Medicare andMedicaid Services (CMS) guidelines.
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Q: Does UnitedHealthcare require the Add-on code be submitted on the same claim as the primary code?
A: No, except forinfusion services whichmust be submitted on the same claim but can have different dates of service.