Activity Codes

NIH uses three-character activity codes to differentiate the wide variety of research-related programs NIH supports. The first character typically identifies the major funding category or program type. For example, activity codes for research and development often start with "R," training with "T," fellowship with "F," and career development with "K." Each institute and center (IC) participates in a subset of activity codes. Although each activity code has a broadly defined purpose, there may be differences in their use from one IC to another. Applicants should always refer to the funding opportunity for the specific requirements and details of an initiative.

Activity Code ▲ Funding Category Title Description
KM1 Research Training and Career Development Institutional Career Enhancement Awards - Multi-Yr Funding

Provides for part time (minimum 25% effort) up to full-time support for medical, scientific, statistics and health care professionals with post-doctoral or equivalent experience selected by an institution, to broaden their research capabilities by acquiring new research skills or knowledge. Further it provides for curriculum development of new programs to support these same types of individuals. This is an institutional mentored career program, not an individual program.


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