§ 8603. Practice as a clinical laboratory technician and histological technician and the use of the titles "clinical laboratory technician" and "histological technician". No person shall practice as a clinical laboratory technician or as a histological technician or hold himself or herself out as a clinical laboratory technician or a histological technician in this state unless he or she is certified or exempt pursuant to this article, provided that an individual licensed as a clinical laboratory technologist, cytotechnologist, or clinical laboratory technician may practice the profession of histological technician.