ArticleStructural Allograft vs. Cages (CPT 20931/22853) June 30, 2022June 30, 2022 Kimberly Mansingh To view this content, you must be a member of Coding's Patreon at $1.00 or more Unlock with PatreonAlready a qualifying Patreon member? Refresh to access this content. Published by Kimberly Mansingh View all posts by Kimberly Mansingh