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
K00 Research Training and Career Development Post-doctoral Transition Award To support the second phase of a Pre-Doctoral to Post-Doctoral Transition award program that provides 3-4 years of career support. Note: The K00 Post-doctoral Transition Award is anticipated to only be used in conjunction with the F99 Pre-Doctoral Award.
K01 Research Training and Career Development Research Scientist Development Award - Research & Training For support of a scientist, committed to research, in need of both advanced research training and additional experience.
K02 Research Training and Career Development Research Scientist Development Award - Research For support of a scientist, committed to research, in need of additional experience.
K05 Research Training and Career Development Research Scientist Award For the support of a research scientist qualified to pursue independent research which would extend the research program of the sponsoring institution, or to direct an essential part of this research program.
K06 Research Training and Career Development Research Career Awards To enable institutions to finance positions favorable to the intellectual growth and research productivity of established investigators of high competence for the duration of their careers.
K07 Research Training and Career Development Academic/Teacher Award (ATA) To create and encourage a stimulating approach to disease curricula that will attract high quality students, foster academic career development of promising young teacher-investigators, develop and implement excellent multidisciplinary curricula through interchange of ideas and enable the recipient institution to strengthen its existing teaching program.
K08 Research Training and Career Development Clinical Investigator Award (CIA) To provide the opportunity for promising medical scientists with demonstrated aptitude to develop into independent investigators, or for faculty members to pursue research aspects of categorical areas applicable to the awarding unit, and aid in filling the academic faculty gap in these shortage areas within health profession's institutions of the country.

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