• Assign accurate CPT, HCPCS, ICD-10-CM, and modifiers for chemotherapy, immunotherapy, hydration, and therapeutic infusion services • Code chemotherapy drug administration services, including: Initial, subsequent, and concurrent infusions IV push vs. infusion services Hydration services Sequential and combination therapy • Apply correct chemotherapy hierarchy rules and time-based coding requirements • Code and validate oncology drugs, including wastage and JW/JZ modifiers when applicable • Review provider documentation for completeness and query when clarification is needed • Ensure compliance with CMS, NCCI, AMA, and payer-specific guidelines • Identify and resolve coding edits, denials, and underpayment trends related to infusion services • Collaborate with billing, auditing, and clinical teams to support clean claim submission • Maintain productivity and accuracy standards in a high-volume environment • Stay current on annual CPT/HCPCS updates and oncology coding changes