Excluded from the requirement of procurement through the state purchasing agent but not from the requirements of the Procurement Code are the following:
A. procurement of professional services;
B. small purchases having a value not exceeding one thousand five hundred dollars ($1,500);
C. emergency procurement;
D. procurement of highway construction or reconstruction by the department of transportation;
E. procurement by the judicial branch of state government;
F. procurement by the legislative branch of state government;
G. procurement by the boards of regents of state educational institutions named in Article 12, Section 11 of the constitution of New Mexico;
H. procurement by the state fair commission of tangible personal property, services and construction under twenty thousand dollars ($20,000);
I. purchases of instructional materials;
J. procurement by all local public bodies;
K. procurement by regional education cooperatives;
L. procurement by charter schools;
M. procurement by each state health care institution that provides direct patient care and that is, or a part of which is, medicaid certified and participating in the New Mexico medicaid program; and
N. procurement by the public school facilities authority.