It's October 1, 2015, the ICD-10 diagnostic code set is live at last, and medical professionals now have nearly 70,000 codes to choose from when filing patient claims.

Healthcare IT News and sister site Healthcare Finance will be reporting on the changeover throughout the day, using the live blog below to highlight the latest news, real-time reactions and frequent updates from our cadre of volunteer ICD-10 correspondents, a group of healthcare insiders who have agreed to keep us posted on what they're seeing post-switchover.

Bookmark this page, which updates automatically when new items are posted, to stay on top of Thursday's moment of truth.

Twitter: @HenryPowderly