Laboratories in Texarkana, Texas (TX) - Page: 1 LabCorp Patient Service Center (LabCorp-10701)3505 SUMMERHILL RD STE 3 TEXARKANA TX 75503More Info Quest Diagnostics - Texarkana PSC (QD-01612)921 Texas Blvd., Suite A, Texarkana, TX 75501More InfoAdditional Pages: 1 |