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Message Mapping Guides

Message Mapping Guides

On March 20, 2024, CDC ended the pause on Message Mapping Guide (MMG) onboarding. 

Interested in onboarding? Learn how to implement an HL7® message mapping guide or contact

CDC provides these final HL7 Message Mapping Guides (MMGs) for all public health reporting jurisdictions to implement NNDSS case notifications. This page also lists MMGs currently piloting or in development.

Select Arrows to sort by name or date Current MMG Vocabulary
Sort by Name Updated Version Updated Version

*These guides are open for general onboarding.

  • Congenital Rubella Syndrome
  • Rubella
  • Anthrax
  • Blood Lead
  • Brucellosis
  • Hansen's disease
  • Hepatitis V2
  • Leptospirosis