Cloud-Based Medical Office Software & Billing Services › User Forum › ICD-10 › 99401 ICD-10 Code Note This topic has 0 replies, 1 voice, and was last updated 6 years ago by Robert Gabriel. Viewing 1 post (of 1 total) Author Posts February 2, 2019 at 2:55 pm #49026 Robert GabrielKeymaster Medication education: Medicare won’t pay codes 99401-99404. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In