Thank you for your coding question. In order for ASTRO to properly answer your question, please submit it on the official Coding Question Submission form at Questions will be forwarded to ASTRO's Code Utilization and Application Subcommittee (CUAC) for evaluation and response. Please note that this process may take several days to respond. 

If the coding question form is not working, please submit your question to for coding questions and for billing/reimbursement questions. 

ASTRO also has a number of resources for coding and billing professionals seeking advice and to assist in correct coding for radiation oncology. In addition to the ASTRO Radiation Oncology Coding Resource, which ASTRO strongly encourages every coding and billing professional to purchase as an essential coding reference for all radiation oncology practices, ASTRO also posts Coding Updates which provide information on a variety of coding topics.