The company had been working to expand its retrospective data over the last year and half and is now readying to move forward with prospective studies.
The company also acquired DNA methylation analysis firm Base Genomics for $410 million and said it plans to raise $869 million in a direct stock offering.
The experts said that antibody testing cannot indicate an individual's immunity or help with return-to-work schemes but have use for public health agencies.
If the results are validated, investigators believe the method could help diagnose patients without the need for a needle biopsy and with fewer false positives.
