This document contains competency profiles for Ohio tech prep courses in the following 12 health technologies occupations: radiographer, respiratory care therapist, occupational therapy assistant, physical therapist assistant, registered nurse (associate degree), pharmacy technologist, medical laboratory technician, histotechnologist, emergency medical technician, dental hygienist, dental laboratory technician, and health information technician. The guide contains seven sections: (1) systemic curriculum reform philosophy--Ohio's vision of tech prep, the Ohio Tech Prep Path, and six critical components that guide Ohio's tech prep consortia; (2) the TCP (Tech-Prep Competency Profiles) process--the philosophy behind the development of TCPs and the process that yielded this guide; (3) TCP Partners from Industry--a listing of the business, industry, and labor representatives who participated in the development of TCPs within health technologies; (4) TCP Partners from Education--a listing of the secondary and postsecondary educators who participated in the development of TCPs within health technologies; (5) a sample TCP--an actual health technologies TCP from one of Ohio's tech prep consortia; (6) TCP Matrix--definitions for each of the 12 technical occupations within the health technologies cluster and a matrix for use in compiling draft competency lists to develop a Tech-Prep Competency Profile that fits the labor market needs of any consortium; and (7) Essential Competencies--the units that appear in each of the individual occupations as well as in various cluster combinations. The remaining sections of the guide contain both core and specialized units for each of the 12 specific occupations within the health technologies cluster. Contains a 61-item partial health technologies bibliography. (KC)