Texas Mutual Insurance Company, Liberty Mutual Insurance Company, Zenith Insurance Company and Zurich American Insurance Company v. Vista Community Medical Center, LLP, D/B/A Vista Medical Center Hospital Christus Health Gulf Coast And the Texas Department of Insurance, Division of Workers' Compensation

TEXAS COURT OF APPEALS, THIRD DISTRICT, AT AUSTIN NO. 03-07-00682-CV Texas Mutual Insurance Company, Liberty Mutual Insurance Company, Zenith Insurance Company and Zurich American Insurance Company, Appellants v. Vista Community Medical Center, LLP, d/b/a Vista Medical Center Hospital; Christus Health Gulf Coast; and The Texas Department of Insurance, Division of Workers’ Compensation, Appellees FROM THE DISTRICT COURT OF TRAVIS COUNTY, 353RD JUDICIAL DISTRICT NO. D-1-GN-06-000213, HONORABLE MARGARET A. COOPER, JUDGE PRESIDING OPINION This appeal concerns a challenge to the validity of a rule…