Texas Health and Safety Code - HEALTH & SAFETY § 12.031. Definition

(1) personal health promotion, maintenance, and treatment services;

(2) infectious disease control and prevention services;

(3) environmental and consumer health protection services;

(4) laboratory services;

(5) health facility architectural plan review;

(6) public health planning, information, and statistical services;

(7) public health education and information services;  and

(8) administration services.