Certification in radiologic technology pursuant to subdivision (b) or (c) of Section 114870 or Section 114871 shall not authorize any of the following:
(a) The use of diagnostic, mammographic, or therapeutic x-ray equipment except under the supervision of a certified supervisor or operator.
(b) The interpretation of any radiograph or a diagnosis based upon it.
(c) The reporting of any diagnosis to a patient except as ordered by a licentiate of the healing arts.
(d) The use of any title or designation indicating or implying the right to practice any of the healing arts.