Texas Supreme Court July 21, 1995, D-4131 (SmithKline Beecham Corp. v. Doe)

HECHT, Justice,

delivered the opinion of the Court,

in which PHILLIPS, Chief Justice, GONZALEZ, CORNYN, ENOCH and OWEN, Justices, joined.

Increasingly within the past decade, the policy of employers in this country has been to screen employees and prospective employees for drug usage. Employers frequently retain independent laboratories to perform drug screening tests.