HCPCS Level II › M codes › M1478

M1478

Psychoactive substance abuse

ValidHCPCS Level II code.

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

Valid FY2026 onwards.

What has happened to this code

Every change the publisher made, from 2026 to now.

  1. January 2026 Added to the code set Psychoactive substance abuse