HCPCS Level II › M codes › M1311
M1311
Anaphylaxis due to the vaccine on or before the date of the encounter
ValidHCPCS Level II code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2024 to now.
- January 2024 Added to the code set Anaphylaxis due to the vaccine on or before the date of the encounter