LabCorp reviews first appeared on Complaints Board on Jul 23, 2008. The latest review Blood work cumulative report was posted on Nov 19, 2021. The latest complaint Customer Service @ LabCorp 534 2nd Ave, Ste 104, Collegeville, PA 19426 was resolved on Jul 22, 2021. LabCorp has an average consumer rating of 1 stars from 292 reviews..