HCPCS Level II › M codes › M1399

M1399

Patients who leave the practice during the follow-up period

ValidHCPCS Level II code.

Valid for claims with a date of service in the current code year.

Valid FY2025 onwards.

What has happened to this code

Every change the publisher made, from 2025 to now.

  1. January 2025 Added to the code set Patients who leave the practice during the follow-up period