Current
B04 — Monkeypox
Part of Chapter 1: Certain infectious and parasitic diseases , block Viral infections characterized by skin and mucous membrane lesions (B00-B09) .
Official Notes
Inclusion Terms
Mpox
Child Codes
B04 has no child codes in the FY 2027 release -- it is used on its own.
Referenced By
Official notes on these codes cite B04.
FY 2027 effective October 1, 2026 · CDC NCHS and CMS